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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_32594B17E2B967914D15B86A0AFC2AF4_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_32594B17E2B967914D15B86A0AFC2AF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Authorized number of share of common stock for awards grant under Performance Incentive Plan</link:label>
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    <link:label id="lab_wdc_NumberOfSharesToBeIssuedForEveryOneShareActuallyIssuedInConnectionWithAward_979BB4E12404AC83D0EAB86A0AFCD81D_terseLabel_en-US" xlink:label="lab_wdc_NumberOfSharesToBeIssuedForEveryOneShareActuallyIssuedInConnectionWithAward_979BB4E12404AC83D0EAB86A0AFCD81D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share issued in respect of any other type of award granted under the plan</link:label>
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    <link:loc xlink:href="wdc-20160701.xsd#wdc_NumberOfSharesToBeIssuedForEveryOneShareActuallyIssuedInConnectionWithAward" xlink:label="loc_wdc_NumberOfSharesToBeIssuedForEveryOneShareActuallyIssuedInConnectionWithAward_979BB4E12404AC83D0EAB86A0AFCD81D" xlink:type="locator" />
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    <link:label id="lab_wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInPeriod_57F7EAB28F9290DB3E7EB86A0AFDF12A_documentation_en-US" xlink:label="lab_wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInPeriod_57F7EAB28F9290DB3E7EB86A0AFDF12A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net number of share options (or share units) assumed during the period in a business combination.</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5FC79DB2908758495871B86A0AFDE9BB_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5FC79DB2908758495871B86A0AFDE9BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5FC79DB2908758495871B86A0AFDE9BB" xlink:type="locator" />
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    <link:label id="lab_wdc_EligibleEmployeePayrollDeductionAmountForEmployeeStockPurchasePlan_1888CA67E24C39F2CC96B86A0AFDCE26_terseLabel_en-US" xlink:label="lab_wdc_EligibleEmployeePayrollDeductionAmountForEmployeeStockPurchasePlan_1888CA67E24C39F2CC96B86A0AFDCE26" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Eligible employee payroll deduction amount for ESPP</link:label>
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    <link:label id="lab_wdc_PercentageOfMarketValueForPurchasesWithinEmployeeStockPurchasePlan_655C2DBE6226940C2D41B86A0AFD856A_terseLabel_en-US" xlink:label="lab_wdc_PercentageOfMarketValueForPurchasesWithinEmployeeStockPurchasePlan_655C2DBE6226940C2D41B86A0AFD856A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of market value for purchases with in ESPP</link:label>
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    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_C500B4EDD7E00A30B85AB86A0AFD7CAD_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_C500B4EDD7E00A30B85AB86A0AFD7CAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation expense tax benefit</link:label>
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    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F1A0401CAB623CDE694FB86A0AFDDCDA_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F1A0401CAB623CDE694FB86A0AFDDCDA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unamortized fair value of all unvested Restricted Stock Unit awards</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F1A0401CAB623CDE694FB86A0AFDDCDA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2FB0BCB2A0393F426E5B86A0AFDE99F_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2FB0BCB2A0393F426E5B86A0AFDE99F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2FB0BCB2A0393F426E5B86A0AFDE99F_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2FB0BCB2A0393F426E5B86A0AFDE99F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2FB0BCB2A0393F426E5B86A0AFDE99F" xlink:type="locator" />
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    <link:label id="lab_wdc_CompensationCostForCashSettledStockAppreciationRights_6951133BCCCA17265F0FB86A0AFDBD32_terseLabel_en-US" xlink:label="lab_wdc_CompensationCostForCashSettledStockAppreciationRights_6951133BCCCA17265F0FB86A0AFDBD32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recognized in expenses related to adjustment to market value and vesting of SARs assumed</link:label>
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    <link:loc xlink:href="wdc-20160701.xsd#wdc_CompensationCostForCashSettledStockAppreciationRights" xlink:label="loc_wdc_CompensationCostForCashSettledStockAppreciationRights_6951133BCCCA17265F0FB86A0AFDBD32" xlink:type="locator" />
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    <link:label id="lab_wdc_EmployeeServiceShareBasedCompensationTaxBenefitFromStockAppreciationRightsCompensationExpense_E0E25988FD6D686E3134B86A0AFD6D75_terseLabel_en-US" xlink:label="lab_wdc_EmployeeServiceShareBasedCompensationTaxBenefitFromStockAppreciationRightsCompensationExpense_E0E25988FD6D686E3134B86A0AFD6D75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax benefit realized related to SARs</link:label>
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    <link:label id="lab_wdc_CashSettledStockAppreciationRightsLiability_D4432F4A853DFC77574EB86A0AFD0307_terseLabel_en-US" xlink:label="lab_wdc_CashSettledStockAppreciationRightsLiability_D4432F4A853DFC77574EB86A0AFD0307" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total liability related to SARs</link:label>
    <link:label id="lab_wdc_CashSettledStockAppreciationRightsLiability_D4432F4A853DFC77574EB86A0AFD0307_label_en-US" xlink:label="lab_wdc_CashSettledStockAppreciationRightsLiability_D4432F4A853DFC77574EB86A0AFD0307" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Settled Stock Appreciation Rights Liability</link:label>
    <link:label id="lab_wdc_CashSettledStockAppreciationRightsLiability_D4432F4A853DFC77574EB86A0AFD0307_documentation_en-US" xlink:label="lab_wdc_CashSettledStockAppreciationRightsLiability_D4432F4A853DFC77574EB86A0AFD0307" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying value of the cash-settled stock appreciation rights at the balance sheet date .</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_CashSettledStockAppreciationRightsLiability" xlink:label="loc_wdc_CashSettledStockAppreciationRightsLiability_D4432F4A853DFC77574EB86A0AFD0307" xlink:type="locator" />
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    <link:label id="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPrice_47B3C8E75723526EFF90B86A0AFD3D44_terseLabel_en-US" xlink:label="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPrice_47B3C8E75723526EFF90B86A0AFD3D44" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options outstanding to purchase shares with exercise price below company stock price</link:label>
    <link:label id="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPrice_47B3C8E75723526EFF90B86A0AFD3D44_label_en-US" xlink:label="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPrice_47B3C8E75723526EFF90B86A0AFD3D44" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Options Outstanding To Purchase Shares With Exercise Price Below Company Stock Price</link:label>
    <link:label id="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPrice_47B3C8E75723526EFF90B86A0AFD3D44_documentation_en-US" xlink:label="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPrice_47B3C8E75723526EFF90B86A0AFD3D44" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate amount of options outstanding with an exercise price below the quoted price of the Company's stock on the date of the latest balance sheet presented.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPrice" xlink:label="loc_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPrice_47B3C8E75723526EFF90B86A0AFD3D44" xlink:type="locator" />
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    <link:label id="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPriceIntrinsicValue_2980CF512320172FD5ACB86A0AFD39E1_terseLabel_en-US" xlink:label="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPriceIntrinsicValue_2980CF512320172FD5ACB86A0AFD39E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options outstanding to purchase shares with exercise price below company stock price, intrinsic value</link:label>
    <link:label id="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPriceIntrinsicValue_2980CF512320172FD5ACB86A0AFD39E1_label_en-US" xlink:label="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPriceIntrinsicValue_2980CF512320172FD5ACB86A0AFD39E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Options Outstanding To Purchase Shares With Exercise Price Below Company Stock Price Intrinsic Value</link:label>
    <link:label id="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPriceIntrinsicValue_2980CF512320172FD5ACB86A0AFD39E1_documentation_en-US" xlink:label="lab_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPriceIntrinsicValue_2980CF512320172FD5ACB86A0AFD39E1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total dollar difference between fair values of underlying shares reserved for issuance and exercising prices pertaining to options outstanding with an exercise price below the quoted price of the Company's stock on the date of the latest balance sheet presented.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPriceIntrinsicValue" xlink:label="loc_wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPriceIntrinsicValue_2980CF512320172FD5ACB86A0AFD39E1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_15B581D45BA0D66D090EB86A0AFDF64D_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_15B581D45BA0D66D090EB86A0AFDF64D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate intrinsic value of options exercised under the Company's stock option plan</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_15B581D45BA0D66D090EB86A0AFDF64D_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_15B581D45BA0D66D090EB86A0AFDF64D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_15B581D45BA0D66D090EB86A0AFDF64D" xlink:type="locator" />
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    <link:label id="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_5C3603A54BD00B82E057B86A0AFDE201_terseLabel_en-US" xlink:label="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_5C3603A54BD00B82E057B86A0AFDE201" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate value of restricted stock awards vested</link:label>
    <link:label id="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_5C3603A54BD00B82E057B86A0AFDE201_label_en-US" xlink:label="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_5C3603A54BD00B82E057B86A0AFDE201" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate Value Of Restricted Stock Awards Vested</link:label>
    <link:label id="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_5C3603A54BD00B82E057B86A0AFDE201_documentation_en-US" xlink:label="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_5C3603A54BD00B82E057B86A0AFDE201" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate Value Of Restricted Stock Awards Vested</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_AggregateValueOfRestrictedStockAwardsVested" xlink:label="loc_wdc_AggregateValueOfRestrictedStockAwardsVested_5C3603A54BD00B82E057B86A0AFDE201" xlink:type="locator" />
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    <link:label id="lab_wdc_GrantDateFairValueOfSharesUnderlyingRestrictedStockAwards_B70B62A050C3757F2B95B86A0AFDB3E0_terseLabel_en-US" xlink:label="lab_wdc_GrantDateFairValueOfSharesUnderlyingRestrictedStockAwards_B70B62A050C3757F2B95B86A0AFDB3E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant-date fair value of the shares underlying the RSU awards</link:label>
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    <link:label id="lab_wdc_GrantDateFairValueOfSharesUnderlyingRestrictedStockAwards_B70B62A050C3757F2B95B86A0AFDB3E0_documentation_en-US" xlink:label="lab_wdc_GrantDateFairValueOfSharesUnderlyingRestrictedStockAwards_B70B62A050C3757F2B95B86A0AFDB3E0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Grant-date fair value of shares underlying restricted stock awards.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_GrantDateFairValueOfSharesUnderlyingRestrictedStockAwards" xlink:label="loc_wdc_GrantDateFairValueOfSharesUnderlyingRestrictedStockAwards_B70B62A050C3757F2B95B86A0AFDB3E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_GrantDateFairValueOfSharesUnderlyingRestrictedStockAwards_B70B62A050C3757F2B95B86A0AFDB3E0" xlink:to="lab_wdc_GrantDateFairValueOfSharesUnderlyingRestrictedStockAwards_B70B62A050C3757F2B95B86A0AFDB3E0" xlink:type="arc" />
    <link:label id="lab_wdc_AssumedStockAppreciationRightsOutstandingAtBalanceSheetDate_2B524684CCC2B187CB53B86A0AFE1F3E_terseLabel_en-US" xlink:label="lab_wdc_AssumedStockAppreciationRightsOutstandingAtBalanceSheetDate_2B524684CCC2B187CB53B86A0AFE1F3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of assumed SARs outstanding</link:label>
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    <link:label id="lab_wdc_AssumedStockAppreciationRightsOutstandingAtBalanceSheetDate_2B524684CCC2B187CB53B86A0AFE1F3E_documentation_en-US" xlink:label="lab_wdc_AssumedStockAppreciationRightsOutstandingAtBalanceSheetDate_2B524684CCC2B187CB53B86A0AFE1F3E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assumed stock appreciation rights outstanding at balance sheet date.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_AssumedStockAppreciationRightsOutstandingAtBalanceSheetDate" xlink:label="loc_wdc_AssumedStockAppreciationRightsOutstandingAtBalanceSheetDate_2B524684CCC2B187CB53B86A0AFE1F3E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ConsolidationItemsAxis_5F34823FDD4AFC877B6CB303B76C8E86_label_en-US" xlink:label="lab_us-gaap_ConsolidationItemsAxis_5F34823FDD4AFC877B6CB303B76C8E86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation Items [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_5F34823FDD4AFC877B6CB303B76C8E86" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationItemsAxis_5F34823FDD4AFC877B6CB303B76C8E86" xlink:to="lab_us-gaap_ConsolidationItemsAxis_5F34823FDD4AFC877B6CB303B76C8E86" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConsolidationItemsDomain_67AFB8461F02F50E48BCB303B76C125E_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationItemsDomain_67AFB8461F02F50E48BCB303B76C125E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidation Items [Domain]</link:label>
    <link:label id="lab_us-gaap_ConsolidationItemsDomain_67AFB8461F02F50E48BCB303B76C125E_label_en-US" xlink:label="lab_us-gaap_ConsolidationItemsDomain_67AFB8461F02F50E48BCB303B76C125E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation Items [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_67AFB8461F02F50E48BCB303B76C125E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationItemsDomain_67AFB8461F02F50E48BCB303B76C125E" xlink:to="lab_us-gaap_ConsolidationItemsDomain_67AFB8461F02F50E48BCB303B76C125E" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_35881E5C6A653FFCFF9FB303B76C8E5E_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_35881E5C6A653FFCFF9FB303B76C8E5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_35881E5C6A653FFCFF9FB303B76C8E5E_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_35881E5C6A653FFCFF9FB303B76C8E5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_35881E5C6A653FFCFF9FB303B76C8E5E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_35881E5C6A653FFCFF9FB303B76C8E5E" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_35881E5C6A653FFCFF9FB303B76C8E5E" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentDomain_A0BE8DE3A4BBFAC4C06DB303B76C6318_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_A0BE8DE3A4BBFAC4C06DB303B76C6318" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentDomain_A0BE8DE3A4BBFAC4C06DB303B76C6318_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_A0BE8DE3A4BBFAC4C06DB303B76C6318" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_A0BE8DE3A4BBFAC4C06DB303B76C6318" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain_A0BE8DE3A4BBFAC4C06DB303B76C6318" xlink:to="lab_us-gaap_SegmentDomain_A0BE8DE3A4BBFAC4C06DB303B76C6318" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_84941CC2870792DDD977B303B76CD6BB_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_84941CC2870792DDD977B303B76CD6BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_84941CC2870792DDD977B303B76CD6BB_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_84941CC2870792DDD977B303B76CD6BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_84941CC2870792DDD977B303B76CD6BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_84941CC2870792DDD977B303B76CD6BB" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_84941CC2870792DDD977B303B76CD6BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_FD22E2E3254388A8F46FB303B76C6798_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_FD22E2E3254388A8F46FB303B76C6798" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated future amortization in, 2017</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_FD22E2E3254388A8F46FB303B76C6798_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_FD22E2E3254388A8F46FB303B76C6798" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_FD22E2E3254388A8F46FB303B76C6798" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_FD22E2E3254388A8F46FB303B76C6798" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_FD22E2E3254388A8F46FB303B76C6798" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F7C7E37D96F4FEA0E898B303B76D3FC6_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F7C7E37D96F4FEA0E898B303B76D3FC6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated future amortization in, 2018</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F7C7E37D96F4FEA0E898B303B76D3FC6_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F7C7E37D96F4FEA0E898B303B76D3FC6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F7C7E37D96F4FEA0E898B303B76D3FC6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F7C7E37D96F4FEA0E898B303B76D3FC6" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F7C7E37D96F4FEA0E898B303B76D3FC6" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_1750BDAF66EAF1464FE3B303B76DB0BE_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_1750BDAF66EAF1464FE3B303B76DB0BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated future amortization in, 2019</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_1750BDAF66EAF1464FE3B303B76DB0BE_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_1750BDAF66EAF1464FE3B303B76DB0BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_1750BDAF66EAF1464FE3B303B76DB0BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_1750BDAF66EAF1464FE3B303B76DB0BE" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_1750BDAF66EAF1464FE3B303B76DB0BE" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_7F78635374FA25628220B303B76DDD23_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_7F78635374FA25628220B303B76DDD23" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated future amortization in, 2020</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_7F78635374FA25628220B303B76DDD23_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_7F78635374FA25628220B303B76DDD23" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_7F78635374FA25628220B303B76DDD23" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_7F78635374FA25628220B303B76DDD23" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_7F78635374FA25628220B303B76DDD23" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_6CD7F644A8F0A30F2DC6B303B76DCF3F_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_6CD7F644A8F0A30F2DC6B303B76DCF3F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated future amortization in, 2021</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_6CD7F644A8F0A30F2DC6B303B76DCF3F_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_6CD7F644A8F0A30F2DC6B303B76DCF3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_6CD7F644A8F0A30F2DC6B303B76DCF3F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_6CD7F644A8F0A30F2DC6B303B76DCF3F" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_6CD7F644A8F0A30F2DC6B303B76DCF3F" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_F24A1D3906A20F14B5B3B303B76D06A4_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_F24A1D3906A20F14B5B3B303B76D06A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated future amortization in, 2022 and thereafter</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_F24A1D3906A20F14B5B3B303B76D06A4_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_F24A1D3906A20F14B5B3B303B76D06A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, after Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_F24A1D3906A20F14B5B3B303B76D06A4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_F24A1D3906A20F14B5B3B303B76D06A4" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_F24A1D3906A20F14B5B3B303B76D06A4" xlink:type="arc" />
    <link:label id="lab_wdc_FiniteLivedIntangibleAssetsAmortizationExpenseYearsOnethroughFive_56360F378CCF39886398B303B76D5A9E_terseLabel_en-US" xlink:label="lab_wdc_FiniteLivedIntangibleAssetsAmortizationExpenseYearsOnethroughFive_56360F378CCF39886398B303B76D5A9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Carrying Amount</link:label>
    <link:label id="lab_wdc_FiniteLivedIntangibleAssetsAmortizationExpenseYearsOnethroughFive_56360F378CCF39886398B303B76D5A9E_label_en-US" xlink:label="lab_wdc_FiniteLivedIntangibleAssetsAmortizationExpenseYearsOnethroughFive_56360F378CCF39886398B303B76D5A9E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Years One through Five</link:label>
    <link:label id="lab_wdc_FiniteLivedIntangibleAssetsAmortizationExpenseYearsOnethroughFive_56360F378CCF39886398B303B76D5A9E_documentation_en-US" xlink:label="lab_wdc_FiniteLivedIntangibleAssetsAmortizationExpenseYearsOnethroughFive_56360F378CCF39886398B303B76D5A9E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next five years.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_FiniteLivedIntangibleAssetsAmortizationExpenseYearsOnethroughFive" xlink:label="loc_wdc_FiniteLivedIntangibleAssetsAmortizationExpenseYearsOnethroughFive_56360F378CCF39886398B303B76D5A9E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_FiniteLivedIntangibleAssetsAmortizationExpenseYearsOnethroughFive_56360F378CCF39886398B303B76D5A9E" xlink:to="lab_wdc_FiniteLivedIntangibleAssetsAmortizationExpenseYearsOnethroughFive_56360F378CCF39886398B303B76D5A9E" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountingPoliciesAbstract_52C53CBFABBA5BE0047DF6D556F167FB_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract_52C53CBFABBA5BE0047DF6D556F167FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Policies [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_52C53CBFABBA5BE0047DF6D556F167FB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_52C53CBFABBA5BE0047DF6D556F167FB" xlink:to="lab_us-gaap_AccountingPoliciesAbstract_52C53CBFABBA5BE0047DF6D556F167FB" xlink:type="arc" />
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_20C47585A3788D5C007DF6D556F1F300_terseLabel_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_20C47585A3788D5C007DF6D556F1F300" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Organization and Summary of Significant Accounting Policies</link:label>
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_20C47585A3788D5C007DF6D556F1F300_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_20C47585A3788D5C007DF6D556F1F300" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]</link:label>
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    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_097F56B455049B45F3A8F6D5596134E1_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_097F56B455049B45F3A8F6D5596134E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt</link:label>
    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_097F56B455049B45F3A8F6D5596134E1_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_097F56B455049B45F3A8F6D5596134E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Text Block]</link:label>
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    <link:label id="lab_wdc_ShareBasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_116DA788D61B7A462E7CB303B8FAB62C_terseLabel_en-US" xlink:label="lab_wdc_ShareBasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_116DA788D61B7A462E7CB303B8FAB62C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Suboptimal exercise factor</link:label>
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    <link:label id="lab_wdc_ShareBasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_116DA788D61B7A462E7CB303B8FAB62C_documentation_en-US" xlink:label="lab_wdc_ShareBasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_116DA788D61B7A462E7CB303B8FAB62C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Factor to estimate the amount of option exercises prior to the end of their respective term.</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_08F12C65287A0C715C86B303B8FA33A0_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_08F12C65287A0C715C86B303B8FA33A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk-free interest rates, minimum</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_08F12C65287A0C715C86B303B8FA33A0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_7641EC02728C415B66AAB303B8FAEDF9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_7641EC02728C415B66AAB303B8FAEDF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk-free interest rates, maximum</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_7641EC02728C415B66AAB303B8FAEDF9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_7641EC02728C415B66AAB303B8FAEDF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_7641EC02728C415B66AAB303B8FAEDF9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_7641EC02728C415B66AAB303B8FAEDF9" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_7641EC02728C415B66AAB303B8FAEDF9" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_865406D812FE9A84CA67B303B8FA3E91_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_865406D812FE9A84CA67B303B8FA3E91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected stock price volatility, minimum</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_865406D812FE9A84CA67B303B8FA3E91" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_A3A451323FD6362B8E21B303B8FB7EA5_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_A3A451323FD6362B8E21B303B8FB7EA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected stock price volatility, maximum</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_A3A451323FD6362B8E21B303B8FB7EA5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_A3A451323FD6362B8E21B303B8FB7EA5" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_A3A451323FD6362B8E21B303B8FB7EA5" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_E328E74EF6FB0FE53CB7B303B8FBE680_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_E328E74EF6FB0FE53CB7B303B8FBE680" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average expected volatility</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_E328E74EF6FB0FE53CB7B303B8FBE680_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_E328E74EF6FB0FE53CB7B303B8FBE680" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_E328E74EF6FB0FE53CB7B303B8FBE680" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_E328E74EF6FB0FE53CB7B303B8FBE680" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_E328E74EF6FB0FE53CB7B303B8FBE680" xlink:type="arc" />
    <link:label id="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_20C4EC76CA657A48DFAEB303B8FB5180_terseLabel_en-US" xlink:label="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_20C4EC76CA657A48DFAEB303B8FB5180" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Post-vesting termination rate</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_20C4EC76CA657A48DFAEB303B8FB5180_label_en-US" xlink:label="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_20C4EC76CA657A48DFAEB303B8FB5180" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Fair Value Assumptions Post Vesting Termination Rate</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_20C4EC76CA657A48DFAEB303B8FB5180_documentation_en-US" xlink:label="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_20C4EC76CA657A48DFAEB303B8FB5180" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Factor to estimate the amount of vested options that will be exercised within 90 days as a result of employee termination.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate" xlink:label="loc_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_20C4EC76CA657A48DFAEB303B8FB5180" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_20C4EC76CA657A48DFAEB303B8FB5180" xlink:to="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_20C4EC76CA657A48DFAEB303B8FB5180" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueAssumptionsExpectedTerm_F406CA3F530EEFC55C31B303B8FB650E_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssumptionsExpectedTerm_F406CA3F530EEFC55C31B303B8FB650E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Assumptions, Expected Term</link:label>
    <link:label id="lab_us-gaap_FairValueAssumptionsExpectedTerm_F406CA3F530EEFC55C31B303B8FB650E_label_en-US" xlink:label="lab_us-gaap_FairValueAssumptionsExpectedTerm_F406CA3F530EEFC55C31B303B8FB650E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Assumptions, Expected Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssumptionsExpectedTerm" xlink:label="loc_us-gaap_FairValueAssumptionsExpectedTerm_F406CA3F530EEFC55C31B303B8FB650E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssumptionsExpectedTerm_F406CA3F530EEFC55C31B303B8FB650E" xlink:to="lab_us-gaap_FairValueAssumptionsExpectedTerm_F406CA3F530EEFC55C31B303B8FB650E" xlink:type="arc" />
    <link:label id="lab_wdc_NetPreTaxRestructuringChargesIntegrationPlan_99266C47CD57E1DF88ABC56B4C592540_terseLabel_en-US" xlink:label="lab_wdc_NetPreTaxRestructuringChargesIntegrationPlan_99266C47CD57E1DF88ABC56B4C592540" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Pre-Tax Restructuring Charges, Integration Plan</link:label>
    <link:label id="lab_wdc_NetPreTaxRestructuringChargesIntegrationPlan_99266C47CD57E1DF88ABC56B4C592540_label_en-US" xlink:label="lab_wdc_NetPreTaxRestructuringChargesIntegrationPlan_99266C47CD57E1DF88ABC56B4C592540" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Pre-Tax Restructuring Charges, Integration Plan</link:label>
    <link:label id="lab_wdc_NetPreTaxRestructuringChargesIntegrationPlan_99266C47CD57E1DF88ABC56B4C592540_documentation_en-US" xlink:label="lab_wdc_NetPreTaxRestructuringChargesIntegrationPlan_99266C47CD57E1DF88ABC56B4C592540" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Net Pre-Tax Restructuring Charges resulting from the Integration Plan</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_NetPreTaxRestructuringChargesIntegrationPlan" xlink:label="loc_wdc_NetPreTaxRestructuringChargesIntegrationPlan_99266C47CD57E1DF88ABC56B4C592540" xlink:type="locator" />
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    <link:label id="lab_wdc_ExpectedEmployeeTerminationCostsIntegrationPlan_8061C97B72097204665EC56B4C595CE0_terseLabel_en-US" xlink:label="lab_wdc_ExpectedEmployeeTerminationCostsIntegrationPlan_8061C97B72097204665EC56B4C595CE0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Employee Termination Costs, Integration Plan</link:label>
    <link:label id="lab_wdc_ExpectedEmployeeTerminationCostsIntegrationPlan_8061C97B72097204665EC56B4C595CE0_label_en-US" xlink:label="lab_wdc_ExpectedEmployeeTerminationCostsIntegrationPlan_8061C97B72097204665EC56B4C595CE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Employee Termination Costs, Integration Plan</link:label>
    <link:label id="lab_wdc_ExpectedEmployeeTerminationCostsIntegrationPlan_8061C97B72097204665EC56B4C595CE0_documentation_en-US" xlink:label="lab_wdc_ExpectedEmployeeTerminationCostsIntegrationPlan_8061C97B72097204665EC56B4C595CE0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected future amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan resulting from the Integration Plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.</link:label>
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    <link:loc xlink:href="wdc-20160701.xsd#wdc_TopTenCustomersMember" xlink:label="loc_wdc_TopTenCustomersMember_29F3D38F59B620E50E41C2D448ABAC0A" xlink:type="locator" />
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInPeriod_C2BCF046FDD2C9734E4CBDB243754012" xlink:to="lab_wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInPeriod_C2BCF046FDD2C9734E4CBDB243754012" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_DBC620D6F7665DBA3C08BDB2437509DE_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_DBC620D6F7665DBA3C08BDB2437509DE" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Exercised, Number of Shares</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_DBC620D6F7665DBA3C08BDB2437509DE_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_DBC620D6F7665DBA3C08BDB2437509DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_DBC620D6F7665DBA3C08BDB2437509DE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_DBC620D6F7665DBA3C08BDB2437509DE" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_DBC620D6F7665DBA3C08BDB2437509DE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_A8D6FAF15D9A052C336BBDB24375FA74_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_A8D6FAF15D9A052C336BBDB24375FA74" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Forfeited or expired, Number of Shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_A8D6FAF15D9A052C336BBDB24375FA74_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_A8D6FAF15D9A052C336BBDB24375FA74" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_A8D6FAF15D9A052C336BBDB24375FA74" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_A8D6FAF15D9A052C336BBDB24375FA74" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_A8D6FAF15D9A052C336BBDB24375FA74" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_D4843C6916BA2EB64217BDB2437589F7_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_D4843C6916BA2EB64217BDB2437589F7" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Options outstanding, Ending Balance, Number of Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_D4843C6916BA2EB64217BDB2437589F7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_D4843C6916BA2EB64217BDB2437589F7" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_D4843C6916BA2EB64217BDB2437589F7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_1A1FD4E7DEC54F582FFBBDB24375D722_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_1A1FD4E7DEC54F582FFBBDB24375D722" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable at July 1, 2016</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_1A1FD4E7DEC54F582FFBBDB24375D722_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_1A1FD4E7DEC54F582FFBBDB24375D722" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_1A1FD4E7DEC54F582FFBBDB24375D722" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_1A1FD4E7DEC54F582FFBBDB24375D722" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_1A1FD4E7DEC54F582FFBBDB24375D722" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_27FF8D841A051C06252ABDB24375C019_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_27FF8D841A051C06252ABDB24375C019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested and expected to vest after July 1, 2016</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_27FF8D841A051C06252ABDB24375C019_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_27FF8D841A051C06252ABDB24375C019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_27FF8D841A051C06252ABDB24375C019" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_27FF8D841A051C06252ABDB24375C019" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_27FF8D841A051C06252ABDB24375C019" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FB94520D1517669E8125BDB24375B399_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FB94520D1517669E8125BDB24375B399" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Options outstanding, Beginning Balance, Weighted Average Exercise Price Per Share</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FB94520D1517669E8125BDB24375B399_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FB94520D1517669E8125BDB24375B399" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FB94520D1517669E8125BDB24375B399" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FB94520D1517669E8125BDB24375B399" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FB94520D1517669E8125BDB24375B399" xlink:type="arc" />
    <link:label id="lab_wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice_61836D80F9BA0B5FC7D3BDB2437699AC_terseLabel_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice_61836D80F9BA0B5FC7D3BDB2437699AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Granted, Weighted Average Exercise Price Per Share</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice_61836D80F9BA0B5FC7D3BDB2437699AC_label_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice_61836D80F9BA0B5FC7D3BDB2437699AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Options Granted Weighted Average Exercise Price</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice_61836D80F9BA0B5FC7D3BDB2437699AC_documentation_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice_61836D80F9BA0B5FC7D3BDB2437699AC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average exercise price of options granted as share based compensation.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice" xlink:label="loc_wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice_61836D80F9BA0B5FC7D3BDB2437699AC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice_61836D80F9BA0B5FC7D3BDB2437699AC" xlink:to="lab_wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice_61836D80F9BA0B5FC7D3BDB2437699AC" xlink:type="arc" />
    <link:label id="lab_wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice_84269D5179AF1A5CC3A6BDB24376E463_terseLabel_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice_84269D5179AF1A5CC3A6BDB24376E463" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assumed, Weighted Average Exercise Price Per Share</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice_84269D5179AF1A5CC3A6BDB24376E463_label_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice_84269D5179AF1A5CC3A6BDB24376E463" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Options Assumed Weighted Average Exercise Price</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice_84269D5179AF1A5CC3A6BDB24376E463_documentation_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice_84269D5179AF1A5CC3A6BDB24376E463" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average exercise price of options assumed in a business combination as share based compensation.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice" xlink:label="loc_wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice_84269D5179AF1A5CC3A6BDB24376E463" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice_84269D5179AF1A5CC3A6BDB24376E463" xlink:to="lab_wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice_84269D5179AF1A5CC3A6BDB24376E463" xlink:type="arc" />
    <link:label id="lab_wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice_CBE19A8420F9BA4C59A0BDB24376302E_terseLabel_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice_CBE19A8420F9BA4C59A0BDB24376302E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercised, Weighted Average Exercise Price Per Share</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice_CBE19A8420F9BA4C59A0BDB24376302E_label_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice_CBE19A8420F9BA4C59A0BDB24376302E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Options Exercises In Period Weighted Average Exercise Price</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice_CBE19A8420F9BA4C59A0BDB24376302E_documentation_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice_CBE19A8420F9BA4C59A0BDB24376302E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average price at which option holders acquired shares when converting their stock options into shares.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice_CBE19A8420F9BA4C59A0BDB24376302E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice_CBE19A8420F9BA4C59A0BDB24376302E" xlink:to="lab_wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice_CBE19A8420F9BA4C59A0BDB24376302E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_B176BCE6E2F694CF2081BDB24376F96E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_B176BCE6E2F694CF2081BDB24376F96E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forfeited or expired, Weighted Average Exercise Price Per Share</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_B176BCE6E2F694CF2081BDB24376F96E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_B176BCE6E2F694CF2081BDB24376F96E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_B176BCE6E2F694CF2081BDB24376F96E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_B176BCE6E2F694CF2081BDB24376F96E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_B176BCE6E2F694CF2081BDB24376F96E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FDA0E3A5B27C27C52CBABDB24376EA27_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FDA0E3A5B27C27C52CBABDB24376EA27" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Options outstanding, Ending Balance, Weighted Average Exercise Price Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FDA0E3A5B27C27C52CBABDB24376EA27" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FDA0E3A5B27C27C52CBABDB24376EA27" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FDA0E3A5B27C27C52CBABDB24376EA27" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_C1CD94780F67198C343ABDB24376FF07_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_C1CD94780F67198C343ABDB24376FF07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable at July 1, 2016</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_C1CD94780F67198C343ABDB24376FF07_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_C1CD94780F67198C343ABDB24376FF07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_C1CD94780F67198C343ABDB24376FF07" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_C1CD94780F67198C343ABDB24376FF07" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_C1CD94780F67198C343ABDB24376FF07" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_8DD245CB5C82CA4DCF95BDB24376CF41_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_8DD245CB5C82CA4DCF95BDB24376CF41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested and expected to vest after July 1, 2016</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_8DD245CB5C82CA4DCF95BDB24376CF41_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_8DD245CB5C82CA4DCF95BDB24376CF41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price</link:label>
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    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AFDDD9FC7F31A13DBF14BDB24376BF8F_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AFDDD9FC7F31A13DBF14BDB24376BF8F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options outstanding at July 1, 2016</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AFDDD9FC7F31A13DBF14BDB24376BF8F_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_AFDDD9FC7F31A13DBF14BDB24376BF8F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term</link:label>
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    <link:label id="lab_wdc_ShareBasedCompensationOptionsExercisableRemainingContractualLife_92CE5D41D4B4C7ED9C61BDB243765117_terseLabel_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsExercisableRemainingContractualLife_92CE5D41D4B4C7ED9C61BDB243765117" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable at July 1, 2016</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationOptionsExercisableRemainingContractualLife_92CE5D41D4B4C7ED9C61BDB243765117_label_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsExercisableRemainingContractualLife_92CE5D41D4B4C7ED9C61BDB243765117" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Options Exercisable Remaining Contractual Life</link:label>
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    <link:label id="lab_wdc_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm_ED36D02A09891D31A8A2BDB24376E280_terseLabel_en-US" xlink:label="lab_wdc_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm_ED36D02A09891D31A8A2BDB24376E280" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested and expected to vest after July 1, 2016</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm_ED36D02A09891D31A8A2BDB24376E280_label_en-US" xlink:label="lab_wdc_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm_ED36D02A09891D31A8A2BDB24376E280" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payments Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm_ED36D02A09891D31A8A2BDB24376E280_documentation_en-US" xlink:label="lab_wdc_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm_ED36D02A09891D31A8A2BDB24376E280" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share based payments award options vested and expected to vest outstanding weighted average remaining contractual term.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm_ED36D02A09891D31A8A2BDB24376E280" xlink:to="lab_wdc_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm_ED36D02A09891D31A8A2BDB24376E280" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_0BD8939EF628FB9E90E2BDB24376326A_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_0BD8939EF628FB9E90E2BDB24376326A" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Options outstanding at July 1, 2016</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_0BD8939EF628FB9E90E2BDB24376326A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_0BD8939EF628FB9E90E2BDB24376326A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_0BD8939EF628FB9E90E2BDB24376326A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_0BD8939EF628FB9E90E2BDB24376326A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_0BD8939EF628FB9E90E2BDB24376326A" xlink:type="arc" />
    <link:label id="lab_wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue_E3AF7FDEBF1F38DFA9DDBDB24376D10B_terseLabel_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue_E3AF7FDEBF1F38DFA9DDBDB24376D10B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable at July 1, 2016</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue_E3AF7FDEBF1F38DFA9DDBDB24376D10B_label_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue_E3AF7FDEBF1F38DFA9DDBDB24376D10B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Options Exercisable Intrinsic Value</link:label>
    <link:label id="lab_wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue_E3AF7FDEBF1F38DFA9DDBDB24376D10B_documentation_en-US" xlink:label="lab_wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue_E3AF7FDEBF1F38DFA9DDBDB24376D10B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of vested portions of options outstanding and exercisable as of the end of the period.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue" xlink:label="loc_wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue_E3AF7FDEBF1F38DFA9DDBDB24376D10B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue_E3AF7FDEBF1F38DFA9DDBDB24376D10B" xlink:to="lab_wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue_E3AF7FDEBF1F38DFA9DDBDB24376D10B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_9F4F91366079BC09BFD8BDB243760EBD_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_9F4F91366079BC09BFD8BDB243760EBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested and expected to vest after July 1, 2016</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_9F4F91366079BC09BFD8BDB243760EBD_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_9F4F91366079BC09BFD8BDB243760EBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_9F4F91366079BC09BFD8BDB243760EBD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_9F4F91366079BC09BFD8BDB243760EBD" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_9F4F91366079BC09BFD8BDB243760EBD" xlink:type="arc" />
    <link:label id="lab_wdc_ForeignCurrencyContractsMaximumMaturityTerm_E3211A7DDDCB745C83A6BD61BC82A0A3_terseLabel_en-US" xlink:label="lab_wdc_ForeignCurrencyContractsMaximumMaturityTerm_E3211A7DDDCB745C83A6BD61BC82A0A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract maturity dates</link:label>
    <link:label id="lab_wdc_ForeignCurrencyContractsMaximumMaturityTerm_E3211A7DDDCB745C83A6BD61BC82A0A3_label_en-US" xlink:label="lab_wdc_ForeignCurrencyContractsMaximumMaturityTerm_E3211A7DDDCB745C83A6BD61BC82A0A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Contracts Maximum Maturity Term</link:label>
    <link:label id="lab_wdc_ForeignCurrencyContractsMaximumMaturityTerm_E3211A7DDDCB745C83A6BD61BC82A0A3_documentation_en-US" xlink:label="lab_wdc_ForeignCurrencyContractsMaximumMaturityTerm_E3211A7DDDCB745C83A6BD61BC82A0A3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Currency Contracts Maximum Maturity Term</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_ForeignCurrencyContractsMaximumMaturityTerm" xlink:label="loc_wdc_ForeignCurrencyContractsMaximumMaturityTerm_E3211A7DDDCB745C83A6BD61BC82A0A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ForeignCurrencyContractsMaximumMaturityTerm_E3211A7DDDCB745C83A6BD61BC82A0A3" xlink:to="lab_wdc_ForeignCurrencyContractsMaximumMaturityTerm_E3211A7DDDCB745C83A6BD61BC82A0A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_5BDD7182BA8F47A51199BD61BC8244F4_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_5BDD7182BA8F47A51199BD61BC8244F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized gains expected to be reclassified into earnings</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_5BDD7182BA8F47A51199BD61BC8244F4" xlink:type="locator" />
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    <link:label id="lab_wdc_ForeignExchangeContractsOpenedDuringPeriod_0E4145ABF759059B0AEEBD61BC82A95F_terseLabel_en-US" xlink:label="lab_wdc_ForeignExchangeContractsOpenedDuringPeriod_0E4145ABF759059B0AEEBD61BC82A95F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange contracts opened during the period by company</link:label>
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    <link:label id="lab_us-gaap_BusinessCombinationDisclosureTextBlock_623401CC97C930545C54F6D55646C1EF_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationDisclosureTextBlock_623401CC97C930545C54F6D55646C1EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition</link:label>
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    <link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_DA3A2B7508DB174AC7BCBD56124B2B5C_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_DA3A2B7508DB174AC7BCBD56124B2B5C" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loss on disposal of assets</link:label>
    <link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_DA3A2B7508DB174AC7BCBD56124B2B5C_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_DA3A2B7508DB174AC7BCBD56124B2B5C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Disposition of Property Plant Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_DA3A2B7508DB174AC7BCBD56124B2B5C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_895C3B81980EFF41199ABD56124B64F3_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_895C3B81980EFF41199ABD56124B64F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Financing Costs and Discounts</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_895C3B81980EFF41199ABD56124B64F3" xlink:type="locator" />
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    <link:label id="lab_wdc_Convertibledebtactivitynet_1DF4BED8B96B9224F334BD56124B5CE6_terseLabel_en-US" xlink:label="lab_wdc_Convertibledebtactivitynet_1DF4BED8B96B9224F334BD56124B5CE6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss on settlement of convertible debt</link:label>
    <link:label id="lab_wdc_Convertibledebtactivitynet_1DF4BED8B96B9224F334BD56124B5CE6_label_en-US" xlink:label="lab_wdc_Convertibledebtactivitynet_1DF4BED8B96B9224F334BD56124B5CE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible debt activity, net</link:label>
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    <link:loc xlink:href="wdc-20160701.xsd#wdc_Convertibledebtactivitynet" xlink:label="loc_wdc_Convertibledebtactivitynet_1DF4BED8B96B9224F334BD56124B5CE6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_5B36AB7254BF1F195C9BBD56124B2765_terseLabel_en-US" xlink:label="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_5B36AB7254BF1F195C9BBD56124B2765" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-cash operating activities, net</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_A1D7191BC0C616A417BBBD56124B09E5_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_A1D7191BC0C616A417BBBD56124B09E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_7CFA33D402351A01813CBD56124B0976" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_DD390A1B2CBC7199A5A4BD56124C8C20_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_DD390A1B2CBC7199A5A4BD56124C8C20" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_5E7EFF86DAA5DE758D93BD56124C637C_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_5E7EFF86DAA5DE758D93BD56124C637C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_4274AAD62FFF7B4B27B5BD56124CDF86_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_4274AAD62FFF7B4B27B5BD56124CDF86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable to related parties</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_4274AAD62FFF7B4B27B5BD56124CDF86" xlink:type="locator" />
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    <link:label id="lab_wdc_IncreaseDecreaseInArbitrationAwardReserve_CCD7E3ED07A904D18ED6BD56124C0FA1_terseLabel_en-US" xlink:label="lab_wdc_IncreaseDecreaseInArbitrationAwardReserve_CCD7E3ED07A904D18ED6BD56124C0FA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued arbitration award</link:label>
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    <link:label id="lab_wdc_IncreaseDecreaseInArbitrationAwardReserve_CCD7E3ED07A904D18ED6BD56124C0FA1_documentation_en-US" xlink:label="lab_wdc_IncreaseDecreaseInArbitrationAwardReserve_CCD7E3ED07A904D18ED6BD56124C0FA1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) during the reporting period in the accrued arbitration award reserve.</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_7C94A99BE3562D183E75BD56124C9F9B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C559D4238F6ABC7F5908BD56124C9C9A_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C559D4238F6ABC7F5908BD56124C9C9A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C559D4238F6ABC7F5908BD56124C9C9A_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C559D4238F6ABC7F5908BD56124C9C9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C559D4238F6ABC7F5908BD56124C9C9A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_C559D4238F6ABC7F5908BD56124C9C9A" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_C559D4238F6ABC7F5908BD56124C9C9A" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4BE431863198E28493E1BD56124CEE3F_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4BE431863198E28493E1BD56124CEE3F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4BE431863198E28493E1BD56124CEE3F_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4BE431863198E28493E1BD56124CEE3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4BE431863198E28493E1BD56124CEE3F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_B922C4A092DDC3DDD900BD56124CAA00_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_B922C4A092DDC3DDD900BD56124CAA00" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases of property, plant and equipment</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_B922C4A092DDC3DDD900BD56124CAA00" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_A04499288E95967E074DBD56124DE644" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToAcquireInvestments_CE855497EB93AE2E88B5BD56124D55F3_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInvestments_CE855497EB93AE2E88B5BD56124D55F3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases of investments</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireInvestments_CE855497EB93AE2E88B5BD56124D55F3_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInvestments_CE855497EB93AE2E88B5BD56124D55F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Investments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_CE855497EB93AE2E88B5BD56124D55F3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireInvestments_CE855497EB93AE2E88B5BD56124D55F3" xlink:to="lab_us-gaap_PaymentsToAcquireInvestments_CE855497EB93AE2E88B5BD56124D55F3" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_E070CFECA5D796AF1FC8BD56124DC64F_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_E070CFECA5D796AF1FC8BD56124DC64F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sales and maturities of investments</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_E070CFECA5D796AF1FC8BD56124DC64F_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_E070CFECA5D796AF1FC8BD56124DC64F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale and Maturity of Other Investments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_E070CFECA5D796AF1FC8BD56124DC64F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_E070CFECA5D796AF1FC8BD56124DC64F" xlink:to="lab_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_E070CFECA5D796AF1FC8BD56124DC64F" xlink:type="arc" />
    <link:label id="lab_wdc_PaymentsForLongTermLoansForRelatedParties_D022D0269DEE67AA2576BD56124DAA77_negatedTerseLabel_en-US" xlink:label="lab_wdc_PaymentsForLongTermLoansForRelatedParties_D022D0269DEE67AA2576BD56124DAA77" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Notes receivable issuances to Flash Ventures</link:label>
    <link:label id="lab_wdc_PaymentsForLongTermLoansForRelatedParties_D022D0269DEE67AA2576BD56124DAA77_label_en-US" xlink:label="lab_wdc_PaymentsForLongTermLoansForRelatedParties_D022D0269DEE67AA2576BD56124DAA77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments For Long Term Loans For Related Parties</link:label>
    <link:label id="lab_wdc_PaymentsForLongTermLoansForRelatedParties_D022D0269DEE67AA2576BD56124DAA77_documentation_en-US" xlink:label="lab_wdc_PaymentsForLongTermLoansForRelatedParties_D022D0269DEE67AA2576BD56124DAA77" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_PaymentsForLongTermLoansForRelatedParties" xlink:label="loc_wdc_PaymentsForLongTermLoansForRelatedParties_D022D0269DEE67AA2576BD56124DAA77" xlink:type="locator" />
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    <link:label id="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_FC4E69C63F69D51CD821BD56124D3E0D_terseLabel_en-US" xlink:label="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_FC4E69C63F69D51CD821BD56124D3E0D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes receivable proceeds from Flash Ventures</link:label>
    <link:label id="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_FC4E69C63F69D51CD821BD56124D3E0D_label_en-US" xlink:label="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_FC4E69C63F69D51CD821BD56124D3E0D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Long Term Loans For Related Parties</link:label>
    <link:label id="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_FC4E69C63F69D51CD821BD56124D3E0D_documentation_en-US" xlink:label="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_FC4E69C63F69D51CD821BD56124D3E0D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash inflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_ProceedsFromLongTermLoansForRelatedParties" xlink:label="loc_wdc_ProceedsFromLongTermLoansForRelatedParties_FC4E69C63F69D51CD821BD56124D3E0D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_29252CC0D554F567D901BD56124D7FB0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_29252CC0D554F567D901BD56124D7FB0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Strategic investments and other, net</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_185BD70A3AF57349B5AEBD56124DA28B_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_185BD70A3AF57349B5AEBD56124DA28B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_185BD70A3AF57349B5AEBD56124DA28B_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_185BD70A3AF57349B5AEBD56124DA28B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_185BD70A3AF57349B5AEBD56124DA28B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F0A13FD22AFAB626BA42BD56124D5971_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F0A13FD22AFAB626BA42BD56124D5971" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_EA2396610EF0D369902EBD56124D2931_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_EA2396610EF0D369902EBD56124D2931" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of stock under employee stock plans</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_AE4F258AFA22D5D4B1ADBD56124EFF73" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_AE4F258AFA22D5D4B1ADBD56124EFF73" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_AE4F258AFA22D5D4B1ADBD56124EFF73" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F5CABD9ACF54CD409D17BD56124E2106_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F5CABD9ACF54CD409D17BD56124E2106" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents, end of year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F5CABD9ACF54CD409D17BD56124E2106" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F5CABD9ACF54CD409D17BD56124E2106" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F5CABD9ACF54CD409D17BD56124E2106" xlink:type="arc" />
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_4F78F6DF1E5C9A63F86ABD56124E111E_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_4F78F6DF1E5C9A63F86ABD56124E111E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosure of cash flow information:</link:label>
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_4F78F6DF1E5C9A63F86ABD56124E111E_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_4F78F6DF1E5C9A63F86ABD56124E111E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_4F78F6DF1E5C9A63F86ABD56124E111E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncomeTaxesPaid_806A637641AC0CA02908BD56124E0FAA_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_806A637641AC0CA02908BD56124E0FAA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid for income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesPaid_806A637641AC0CA02908BD56124E0FAA_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_806A637641AC0CA02908BD56124E0FAA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Paid</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_806A637641AC0CA02908BD56124E0FAA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InterestPaid_308BE979AB6C3190BAB1BD56124E7E94_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_308BE979AB6C3190BAB1BD56124E7E94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid for interest</link:label>
    <link:label id="lab_us-gaap_InterestPaid_308BE979AB6C3190BAB1BD56124E7E94_label_en-US" xlink:label="lab_us-gaap_InterestPaid_308BE979AB6C3190BAB1BD56124E7E94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_308BE979AB6C3190BAB1BD56124E7E94" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_60357744004403184912BD56124E8A4C_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_60357744004403184912BD56124E8A4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosure of non-cash investing and financing activities:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_60357744004403184912BD56124E8A4C" xlink:type="locator" />
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    <link:label id="lab_wdc_NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationValue_87168FAA673E6EC98177BD56124EFE24_terseLabel_en-US" xlink:label="lab_wdc_NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationValue_87168FAA673E6EC98177BD56124EFE24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock issued and equity awards assumed in connection with acquisition</link:label>
    <link:label id="lab_wdc_NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationValue_87168FAA673E6EC98177BD56124EFE24_label_en-US" xlink:label="lab_wdc_NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationValue_87168FAA673E6EC98177BD56124EFE24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Value</link:label>
    <link:label id="lab_wdc_NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationValue_87168FAA673E6EC98177BD56124EFE24_documentation_en-US" xlink:label="lab_wdc_NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationValue_87168FAA673E6EC98177BD56124EFE24" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The value of shares issued and equity awards assumed in [noncash or part noncash] connection with a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</link:label>
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    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_27071CC3DCDA8FE52CD1BD56124E5150_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_27071CC3DCDA8FE52CD1BD56124E5150" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Shares issued in conjunction with settlement of convertible notes</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_27071CC3DCDA8FE52CD1BD56124E5150" xlink:type="locator" />
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    <link:label id="lab_wdc_ConvertibleNoteHedgeAmount_F5BA555103F8D8B3AFE7BD56124EE09F_terseLabel_en-US" xlink:label="lab_wdc_ConvertibleNoteHedgeAmount_F5BA555103F8D8B3AFE7BD56124EE09F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares received in conjunction with assumed call options</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_ConvertibleNoteHedgeAmount" xlink:label="loc_wdc_ConvertibleNoteHedgeAmount_F5BA555103F8D8B3AFE7BD56124EE09F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ConvertibleNoteHedgeAmount_F5BA555103F8D8B3AFE7BD56124EE09F" xlink:to="lab_wdc_ConvertibleNoteHedgeAmount_F5BA555103F8D8B3AFE7BD56124EE09F" xlink:type="arc" />
    <link:label id="lab_wdc_CashDividendDeclared_BB700CF3D38AC37193F6BD56124F2457_terseLabel_en-US" xlink:label="lab_wdc_CashDividendDeclared_BB700CF3D38AC37193F6BD56124F2457" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrual of cash dividend declared</link:label>
    <link:label id="lab_wdc_CashDividendDeclared_BB700CF3D38AC37193F6BD56124F2457_label_en-US" xlink:label="lab_wdc_CashDividendDeclared_BB700CF3D38AC37193F6BD56124F2457" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Dividend Declared</link:label>
    <link:label id="lab_wdc_CashDividendDeclared_BB700CF3D38AC37193F6BD56124F2457_documentation_en-US" xlink:label="lab_wdc_CashDividendDeclared_BB700CF3D38AC37193F6BD56124F2457" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash dividend declared but not yet paid during the period reported.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_CashDividendDeclared" xlink:label="loc_wdc_CashDividendDeclared_BB700CF3D38AC37193F6BD56124F2457" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_CashDividendDeclared_BB700CF3D38AC37193F6BD56124F2457" xlink:to="lab_wdc_CashDividendDeclared_BB700CF3D38AC37193F6BD56124F2457" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiscalPeriod_A2BCC994F062E775263EB7FF334E52C1_terseLabel_en-US" xlink:label="lab_us-gaap_FiscalPeriod_A2BCC994F062E775263EB7FF334E52C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fiscal Year</link:label>
    <link:label id="lab_us-gaap_FiscalPeriod_A2BCC994F062E775263EB7FF334E52C1_label_en-US" xlink:label="lab_us-gaap_FiscalPeriod_A2BCC994F062E775263EB7FF334E52C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fiscal Period, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiscalPeriod" xlink:label="loc_us-gaap_FiscalPeriod_A2BCC994F062E775263EB7FF334E52C1" xlink:type="locator" />
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    <link:label id="lab_wdc_BasisOfPresentationPolicyTextBlock_17244483EA149895DEB9B7FF334EFC71_terseLabel_en-US" xlink:label="lab_wdc_BasisOfPresentationPolicyTextBlock_17244483EA149895DEB9B7FF334EFC71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Presentation</link:label>
    <link:label id="lab_wdc_BasisOfPresentationPolicyTextBlock_17244483EA149895DEB9B7FF334EFC71_label_en-US" xlink:label="lab_wdc_BasisOfPresentationPolicyTextBlock_17244483EA149895DEB9B7FF334EFC71" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis Of Presentation Policy [Text Block]</link:label>
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    <link:loc xlink:href="wdc-20160701.xsd#wdc_BasisOfPresentationPolicyTextBlock" xlink:label="loc_wdc_BasisOfPresentationPolicyTextBlock_17244483EA149895DEB9B7FF334EFC71" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_BAC8CB445C091265F984B7FF335D2950_terseLabel_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_BAC8CB445C091265F984B7FF335D2950" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassification, Policy</link:label>
    <link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_BAC8CB445C091265F984B7FF335D2950_label_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_BAC8CB445C091265F984B7FF335D2950" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification, Policy [Policy Text Block]</link:label>
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_F00D6306F3DD85A4317EB7FF335DD483_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_F00D6306F3DD85A4317EB7FF335DD483" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_F00D6306F3DD85A4317EB7FF335DD483" xlink:type="locator" />
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    <link:label id="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_EAE4E0A9458A6A021CF4B8121057AB30_label_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_EAE4E0A9458A6A021CF4B8121057AB30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy" xlink:label="loc_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_EAE4E0A9458A6A021CF4B8121057AB30" xlink:type="locator" />
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    <link:label id="lab_wdc_OtherComprehensiveIncomeLossNetofTaxPolicyTextBlock_E4456470961E2886704DB7FF335D0FAC_terseLabel_en-US" xlink:label="lab_wdc_OtherComprehensiveIncomeLossNetofTaxPolicyTextBlock_E4456470961E2886704DB7FF335D0FAC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax</link:label>
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    <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_23EFCB3CC4B8A7D7E74BB7FF335D7D3F_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_23EFCB3CC4B8A7D7E74BB7FF335D7D3F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Exchange Contracts</link:label>
    <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_23EFCB3CC4B8A7D7E74BB7FF335D7D3F_label_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_23EFCB3CC4B8A7D7E74BB7FF335D7D3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="loc_us-gaap_DerivativesPolicyTextBlock_23EFCB3CC4B8A7D7E74BB7FF335D7D3F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PensionAndOtherPostretirementPlansPolicy_8D3C56C70A619BF40954B7FF335DA07D_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementPlansPolicy_8D3C56C70A619BF40954B7FF335DA07D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pensions and Other Postretirement Benefit Plans</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PensionAndOtherPostretirementPlansPolicy" xlink:label="loc_us-gaap_PensionAndOtherPostretirementPlansPolicy_8D3C56C70A619BF40954B7FF335DA07D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementPlansPolicy_8D3C56C70A619BF40954B7FF335DA07D" xlink:to="lab_us-gaap_PensionAndOtherPostretirementPlansPolicy_8D3C56C70A619BF40954B7FF335DA07D" xlink:type="arc" />
    <link:label id="lab_us-gaap_UseOfEstimates_5527992845DB8077C8CAB7FF335D451B_terseLabel_en-US" xlink:label="lab_us-gaap_UseOfEstimates_5527992845DB8077C8CAB7FF335D451B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Use of Estimates</link:label>
    <link:label id="lab_us-gaap_UseOfEstimates_5527992845DB8077C8CAB7FF335D451B_label_en-US" xlink:label="lab_us-gaap_UseOfEstimates_5527992845DB8077C8CAB7FF335D451B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</link:label>
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    <link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_4F07CD4897484CDFCFEEB7FF335D00ED_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_4F07CD4897484CDFCFEEB7FF335D00ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncements, Policy</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_17E9DC91846489C8A830B303B9AB3C53_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_17E9DC91846489C8A830B303B9AB3C53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating, 2017</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_17E9DC91846489C8A830B303B9AB3C53_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_17E9DC91846489C8A830B303B9AB3C53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_17E9DC91846489C8A830B303B9AB3C53" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EE45C43FE0CBD72C4C2DB303B9AB8AE8_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EE45C43FE0CBD72C4C2DB303B9AB8AE8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating, 2018</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EE45C43FE0CBD72C4C2DB303B9AB8AE8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EE45C43FE0CBD72C4C2DB303B9AB8AE8" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_EE45C43FE0CBD72C4C2DB303B9AB8AE8" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_2617BF1663BD7FC887F8B303B9AB5F10_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_2617BF1663BD7FC887F8B303B9AB5F10" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating, 2019</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_2617BF1663BD7FC887F8B303B9AB5F10_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_2617BF1663BD7FC887F8B303B9AB5F10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_2617BF1663BD7FC887F8B303B9AB5F10" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_A4AB0F5391FD7C7CC67CB303B9AB7CEC_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_A4AB0F5391FD7C7CC67CB303B9AB7CEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating, 2020</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_A4AB0F5391FD7C7CC67CB303B9AB7CEC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_704DC421B7697FA116C2B303B9ABB552_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_704DC421B7697FA116C2B303B9ABB552" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating, 2021</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_704DC421B7697FA116C2B303B9ABB552" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_FB5C207B92754E3BDD24B303B9AB553A_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_FB5C207B92754E3BDD24B303B9AB553A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
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    <link:label id="lab_wdc_OperatingLeasesFutureMinimumPaymentsNet_51F4DB51327723C6BE1BB303B9AB2727_documentation_en-US" xlink:label="lab_wdc_OperatingLeasesFutureMinimumPaymentsNet_51F4DB51327723C6BE1BB303B9AB2727" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the future payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, net of sublease income related to noncancelable subleases.</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_8431BD8349659D52976BB303BA1BA3BE_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_8431BD8349659D52976BB303BA1BA3BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_8431BD8349659D52976BB303BA1BA3BE" xlink:type="locator" />
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    <link:label id="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_E78CD0FC84109EDDE4BBB303BA1B4C80_terseLabel_en-US" xlink:label="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_E78CD0FC84109EDDE4BBB303BA1B4C80" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes receivable and investments in Flash Ventures</link:label>
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    <link:label id="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_E78CD0FC84109EDDE4BBB303BA1B4C80_documentation_en-US" xlink:label="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_E78CD0FC84109EDDE4BBB303BA1B4C80" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total amount of investments in joint ventures that are intended to be held for an extended period of time (longer than one operating cycle) and loans due from and receivables due from the joint ventures.</link:label>
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    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_D40DA52D0D443052C638B303BA1B20E9_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_D40DA52D0D443052C638B303BA1B20E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other intangible assets, net</link:label>
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    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_B9C3F5F13C606549CAE4B303BA1B0846_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_B9C3F5F13C606549CAE4B303BA1B0846" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_B9C3F5F13C606549CAE4B303BA1B0846" xlink:type="locator" />
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    <link:label id="lab_us-gaap_Assets_24268C3BE8A3027443A4B303BA1BA322_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_24268C3BE8A3027443A4B303BA1BA322" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_us-gaap_Assets_24268C3BE8A3027443A4B303BA1BA322_label_en-US" xlink:label="lab_us-gaap_Assets_24268C3BE8A3027443A4B303BA1BA322" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
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    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_43E6259D7DD9AB980900B303BA1B981F_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_43E6259D7DD9AB980900B303BA1B981F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity [Abstract]</link:label>
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    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_42BDF09808F3A608837BB303BA1BF0CE_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_42BDF09808F3A608837BB303BA1BF0CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_42BDF09808F3A608837BB303BA1BF0CE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccountsPayableCurrent_D8AA3AB1D53CE3FFD978B303BA1BB1CF_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_D8AA3AB1D53CE3FFD978B303BA1BB1CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_us-gaap_AccountsPayableCurrent_D8AA3AB1D53CE3FFD978B303BA1BB1CF_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_D8AA3AB1D53CE3FFD978B303BA1BB1CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_D8AA3AB1D53CE3FFD978B303BA1BB1CF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccountsPayableRelatedPartiesCurrent_2D353CC91173E26D42ABB303BA1BE787_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableRelatedPartiesCurrent_2D353CC91173E26D42ABB303BA1BE787" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable to related parties</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_2D353CC91173E26D42ABB303BA1BE787" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_E874F06F5D87E0E8DB4CB303BA1B927E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_FB452BC0617C2BFA9F01B303BA1C659F_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_FB452BC0617C2BFA9F01B303BA1C659F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued compensation</link:label>
    <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_FB452BC0617C2BFA9F01B303BA1C659F_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_FB452BC0617C2BFA9F01B303BA1C659F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee-related Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_FB452BC0617C2BFA9F01B303BA1C659F" xlink:type="locator" />
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    <link:label id="lab_wdc_AccruedWarranty_69A11A3DF99688CEE6BAB303BA1C3B2E_terseLabel_en-US" xlink:label="lab_wdc_AccruedWarranty_69A11A3DF99688CEE6BAB303BA1C3B2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued warranty</link:label>
    <link:label id="lab_wdc_AccruedWarranty_69A11A3DF99688CEE6BAB303BA1C3B2E_label_en-US" xlink:label="lab_wdc_AccruedWarranty_69A11A3DF99688CEE6BAB303BA1C3B2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Warranty</link:label>
    <link:label id="lab_wdc_AccruedWarranty_69A11A3DF99688CEE6BAB303BA1C3B2E_documentation_en-US" xlink:label="lab_wdc_AccruedWarranty_69A11A3DF99688CEE6BAB303BA1C3B2E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The carrying value as of the balance sheet date for estimated warranty costs.</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_65D28F4F5AB6AA72E695B303BA1CC323_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_65D28F4F5AB6AA72E695B303BA1CC323" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving credit facility</link:label>
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    <link:label id="lab_us-gaap_BridgeLoan_F9D156B7FEB3DF35504FB303BA1C169B_terseLabel_en-US" xlink:label="lab_us-gaap_BridgeLoan_F9D156B7FEB3DF35504FB303BA1C169B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bridge loan</link:label>
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    <link:label id="lab_wdc_DerivativeFairValueGross_2B26FC5BBA6C2FABAE3BBD61BC8EF4C1_documentation_en-US" xlink:label="lab_wdc_DerivativeFairValueGross_2B26FC5BBA6C2FABAE3BBD61BC8EF4C1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Or, fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_DerivativeFairValueGross" xlink:label="loc_wdc_DerivativeFairValueGross_2B26FC5BBA6C2FABAE3BBD61BC8EF4C1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DerivativeFairValueGross_2B26FC5BBA6C2FABAE3BBD61BC8EF4C1" xlink:to="lab_wdc_DerivativeFairValueGross_2B26FC5BBA6C2FABAE3BBD61BC8EF4C1" xlink:type="arc" />
    <link:label id="lab_wdc_DerivativeFairValueAmountOffset_62D6A8CFA4C33E39C853BD61BC8EF3D0_totalLabel_en-US" xlink:label="lab_wdc_DerivativeFairValueAmountOffset_62D6A8CFA4C33E39C853BD61BC8EF3D0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Derivative, Fair Value, Amount Offset</link:label>
    <link:label id="lab_wdc_DerivativeFairValueAmountOffset_62D6A8CFA4C33E39C853BD61BC8EF3D0_label_en-US" xlink:label="lab_wdc_DerivativeFairValueAmountOffset_62D6A8CFA4C33E39C853BD61BC8EF3D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Fair Value, Amount Offset</link:label>
    <link:label id="lab_wdc_DerivativeFairValueAmountOffset_62D6A8CFA4C33E39C853BD61BC8EF3D0_documentation_en-US" xlink:label="lab_wdc_DerivativeFairValueAmountOffset_62D6A8CFA4C33E39C853BD61BC8EF3D0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount as of the balance sheet date of the fair value of derivative assets that in accordance with the entity's accounting policy was offset under a master netting arrangement.  Or, the amount as of the balance sheet date of the fair value of derivative liabilities that in accordance with the entity's accounting policy were offset under a master netting arrangement.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_DerivativeFairValueAmountOffset" xlink:label="loc_wdc_DerivativeFairValueAmountOffset_62D6A8CFA4C33E39C853BD61BC8EF3D0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DerivativeFairValueAmountOffset_62D6A8CFA4C33E39C853BD61BC8EF3D0" xlink:to="lab_wdc_DerivativeFairValueAmountOffset_62D6A8CFA4C33E39C853BD61BC8EF3D0" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_975A3033DB52A012988ABD61BC8EAE49_totalLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_975A3033DB52A012988ABD61BC8EAE49" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Derivative Assets (Liabilities), at Fair Value, Net</link:label>
    <link:label id="lab_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_975A3033DB52A012988ABD61BC8EAE49_label_en-US" xlink:label="lab_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_975A3033DB52A012988ABD61BC8EAE49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Assets (Liabilities), at Fair Value, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:label="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_975A3033DB52A012988ABD61BC8EAE49" xlink:type="locator" />
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    <link:label id="lab_wdc_DerivativeFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset_9D187138460B4BE21807BD61BC8E1D42_totalLabel_en-US" xlink:label="lab_wdc_DerivativeFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset_9D187138460B4BE21807BD61BC8E1D42" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Derivative Financial Instruments Subject To Master Netting Arrangement, Elected Not To Be Offset</link:label>
    <link:label id="lab_wdc_DerivativeFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset_9D187138460B4BE21807BD61BC8E1D42_label_en-US" xlink:label="lab_wdc_DerivativeFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset_9D187138460B4BE21807BD61BC8E1D42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Financial Instruments Subject To Master Netting Arrangement, Elected Not To Be Offset</link:label>
    <link:label id="lab_wdc_DerivativeFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset_9D187138460B4BE21807BD61BC8E1D42_documentation_en-US" xlink:label="lab_wdc_DerivativeFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset_9D187138460B4BE21807BD61BC8E1D42" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Financial Instruments Subject To Master Netting Arrangement, Elected Not To Be Offset</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_DerivativeFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset" xlink:label="loc_wdc_DerivativeFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset_9D187138460B4BE21807BD61BC8E1D42" xlink:type="locator" />
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    <link:label id="lab_wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash_84F305993D5913049D9BBD61BC8E29F1_totalLabel_en-US" xlink:label="lab_wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash_84F305993D5913049D9BBD61BC8E29F1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Derivative Collateral Obligation To Return Cash or Right To Reclaim Cash</link:label>
    <link:label id="lab_wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash_84F305993D5913049D9BBD61BC8E29F1_label_en-US" xlink:label="lab_wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash_84F305993D5913049D9BBD61BC8E29F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Collateral Obligation To Return Cash or Right To Reclaim Cash</link:label>
    <link:label id="lab_wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash_84F305993D5913049D9BBD61BC8E29F1_documentation_en-US" xlink:label="lab_wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash_84F305993D5913049D9BBD61BC8E29F1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of the obligation to return cash collateral under master netting arrangements that have not been offset against net derivative instrument positions. Or, the amount of the right to reclaim cash collateral under master netting arrangements that have not been offset against net derivative instrument positions.</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash" xlink:label="loc_wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash_84F305993D5913049D9BBD61BC8E29F1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash_84F305993D5913049D9BBD61BC8E29F1" xlink:to="lab_wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash_84F305993D5913049D9BBD61BC8E29F1" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_F899FF94817C51379D67BD61BC8ECE4F_totalLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_F899FF94817C51379D67BD61BC8ECE4F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Derivative, Fair Value, Amount Offset Against Collateral, Net</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_F899FF94817C51379D67BD61BC8ECE4F_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_F899FF94817C51379D67BD61BC8ECE4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Fair Value, Amount Offset Against Collateral, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet" xlink:label="loc_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_F899FF94817C51379D67BD61BC8ECE4F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_F899FF94817C51379D67BD61BC8ECE4F" xlink:to="lab_us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_F899FF94817C51379D67BD61BC8ECE4F" xlink:type="arc" />
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrual_CAFA6530F10CD379202DAE02BC7FDA12_periodStartLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrual_CAFA6530F10CD379202DAE02BC7FDA12" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Warranty accrual, beginning of period</link:label>
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrual_CAFA6530F10CD379202DAE02BC7FDA12_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrual_CAFA6530F10CD379202DAE02BC7FDA12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard Product Warranty Accrual</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StandardProductWarrantyAccrual" xlink:label="loc_us-gaap_StandardProductWarrantyAccrual_CAFA6530F10CD379202DAE02BC7FDA12" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrual_CAFA6530F10CD379202DAE02BC7FDA12" xlink:to="lab_us-gaap_StandardProductWarrantyAccrual_CAFA6530F10CD379202DAE02BC7FDA12" xlink:type="arc" />
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_29D0DB6287A44889BEAEAE02BC803DDC_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_29D0DB6287A44889BEAEAE02BC803DDC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warranty liabilities assumed as a result of acquisitions</link:label>
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_29D0DB6287A44889BEAEAE02BC803DDC_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_29D0DB6287A44889BEAEAE02BC803DDC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard Product Warranty Accrual, Additions from Business Acquisition</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_29D0DB6287A44889BEAEAE02BC803DDC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_29D0DB6287A44889BEAEAE02BC803DDC" xlink:to="lab_us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition_29D0DB6287A44889BEAEAE02BC803DDC" xlink:type="arc" />
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_C449F7D7DFAE1F817AF7AE02BC8019B2_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_C449F7D7DFAE1F817AF7AE02BC8019B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charges to operations</link:label>
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_C449F7D7DFAE1F817AF7AE02BC8019B2_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_C449F7D7DFAE1F817AF7AE02BC8019B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard Product Warranty Accrual, Warranties Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StandardProductWarrantyAccrualWarrantiesIssued" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_C449F7D7DFAE1F817AF7AE02BC8019B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_C449F7D7DFAE1F817AF7AE02BC8019B2" xlink:to="lab_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_C449F7D7DFAE1F817AF7AE02BC8019B2" xlink:type="arc" />
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualPayments_E3FFD1A711026337251BAE02BC808418_negatedLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualPayments_E3FFD1A711026337251BAE02BC808418" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Utilization</link:label>
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualPayments_E3FFD1A711026337251BAE02BC808418_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualPayments_E3FFD1A711026337251BAE02BC808418" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard Product Warranty Accrual, Payments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StandardProductWarrantyAccrualPayments" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualPayments_E3FFD1A711026337251BAE02BC808418" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrualPayments_E3FFD1A711026337251BAE02BC808418" xlink:to="lab_us-gaap_StandardProductWarrantyAccrualPayments_E3FFD1A711026337251BAE02BC808418" xlink:type="arc" />
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualPreexistingIncreaseDecrease_C4EAB661823E602DDC51AE02BC81D95F_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualPreexistingIncreaseDecrease_C4EAB661823E602DDC51AE02BC81D95F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in estimate related to pre-existing warranties</link:label>
    <link:label id="lab_us-gaap_StandardProductWarrantyAccrualPreexistingIncreaseDecrease_C4EAB661823E602DDC51AE02BC81D95F_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrualPreexistingIncreaseDecrease_C4EAB661823E602DDC51AE02BC81D95F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard Product Warranty Accrual, Preexisting, Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StandardProductWarrantyAccrualPreexistingIncreaseDecrease" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualPreexistingIncreaseDecrease_C4EAB661823E602DDC51AE02BC81D95F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_StandardProductWarrantyAccrual_022A89BE9B03293077FFAE02BC81E154_periodEndLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyAccrual_022A89BE9B03293077FFAE02BC81E154" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Warranty accrual, end of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StandardProductWarrantyAccrual" xlink:label="loc_us-gaap_StandardProductWarrantyAccrual_022A89BE9B03293077FFAE02BC81E154" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyAccrual_022A89BE9B03293077FFAE02BC81E154" xlink:to="lab_us-gaap_StandardProductWarrantyAccrual_022A89BE9B03293077FFAE02BC81E154" xlink:type="arc" />
    <link:label id="lab_wdc_ScheduleOfCommitmentsContingenciesAndGuaranteesTable_4F47ECFB3D5F57877F47C8EE8B0FB0E5_terseLabel_en-US" xlink:label="lab_wdc_ScheduleOfCommitmentsContingenciesAndGuaranteesTable_4F47ECFB3D5F57877F47C8EE8B0FB0E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Commitments, Contingencies and Guarantees [Table]</link:label>
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    <link:label id="lab_wdc_ScheduleOfCommitmentsContingenciesAndGuaranteesTable_4F47ECFB3D5F57877F47C8EE8B0FB0E5_documentation_en-US" xlink:label="lab_wdc_ScheduleOfCommitmentsContingenciesAndGuaranteesTable_4F47ECFB3D5F57877F47C8EE8B0FB0E5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Commitments, Contingencies and Guarantees [Table]</link:label>
    <link:loc xlink:href="wdc-20160701.xsd#wdc_ScheduleOfCommitmentsContingenciesAndGuaranteesTable" xlink:label="loc_wdc_ScheduleOfCommitmentsContingenciesAndGuaranteesTable_4F47ECFB3D5F57877F47C8EE8B0FB0E5" xlink:type="locator" />
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    <link:label id="lab_wdc_OperatingLeasesExpirationDates_324CD397AA3E0ED1B915C8EE8B0FCBB5_terseLabel_en-US" xlink:label="lab_wdc_OperatingLeasesExpirationDates_324CD397AA3E0ED1B915C8EE8B0FCBB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating leases consist of leased property that expire at various dates</link:label>
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    <link:label id="lab_wdc_JointVenturesAbstract_AF7E99E35B9537DF55F8C8EE8B0FE343_terseLabel_en-US" xlink:label="lab_wdc_JointVenturesAbstract_AF7E99E35B9537DF55F8C8EE8B0FE343" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Joint Ventures [Abstract]</link:label>
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    <link:loc xlink:href="wdc-20160701.xsd#wdc_JointVenturesAbstract" xlink:label="loc_wdc_JointVenturesAbstract_AF7E99E35B9537DF55F8C8EE8B0FE343" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StandardProductWarrantyAccrualNoncurrent" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualNoncurrent_C9312DC9F6F07B9C1749C8EE8B1022C9" xlink:type="locator" />
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