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    <link:label id="lab_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_29A316ED07CD13111A3799D697CBB3AF_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_29A316ED07CD13111A3799D697CBB3AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from the sale of property, plant and equipment</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_29A316ED07CD13111A3799D697CBB3AF_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_29A316ED07CD13111A3799D697CBB3AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Machinery and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfMachineryAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_29A316ED07CD13111A3799D697CBB3AF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AD9C393C9B6D0DBFE92F99D697CB7263_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AD9C393C9B6D0DBFE92F99D697CB7263" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Acquisitions, net of cash acquired</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AD9C393C9B6D0DBFE92F99D697CB7263_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AD9C393C9B6D0DBFE92F99D697CB7263" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_AD9C393C9B6D0DBFE92F99D697CB7263" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToAcquireInvestments_180AE52B85921E6B858A99D697CBDC1B_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInvestments_180AE52B85921E6B858A99D697CBDC1B" 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_180AE52B85921E6B858A99D697CBDC1B_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInvestments_180AE52B85921E6B858A99D697CBDC1B" 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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_180AE52B85921E6B858A99D697CBDC1B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_986AEBC8F83517CE989199D697CCC346_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_986AEBC8F83517CE989199D697CCC346" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of investments</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_986AEBC8F83517CE989199D697CCC346_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_986AEBC8F83517CE989199D697CCC346" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Debt Securities, Available-for-sale</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_986AEBC8F83517CE989199D697CCC346" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_986AEBC8F83517CE989199D697CCC346" xlink:to="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_986AEBC8F83517CE989199D697CCC346" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_A806A10FE58BCBB9D64299D697CCF7BA_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_A806A10FE58BCBB9D64299D697CCF7BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from maturities of investments</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_A806A10FE58BCBB9D64299D697CCF7BA_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_A806A10FE58BCBB9D64299D697CCF7BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Held-to-maturity Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities" xlink:label="loc_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_A806A10FE58BCBB9D64299D697CCF7BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_A806A10FE58BCBB9D64299D697CCF7BA" xlink:to="lab_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_A806A10FE58BCBB9D64299D697CCF7BA" xlink:type="arc" />
    <link:label id="lab_wdc_PaymentsForLongTermLoansForRelatedParties_4C1724DFFEF6605055B599D697CCA936_negatedTerseLabel_en-US" xlink:label="lab_wdc_PaymentsForLongTermLoansForRelatedParties_4C1724DFFEF6605055B599D697CCA936" 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_4C1724DFFEF6605055B599D697CCA936_label_en-US" xlink:label="lab_wdc_PaymentsForLongTermLoansForRelatedParties_4C1724DFFEF6605055B599D697CCA936" 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_4C1724DFFEF6605055B599D697CCA936_documentation_en-US" xlink:label="lab_wdc_PaymentsForLongTermLoansForRelatedParties_4C1724DFFEF6605055B599D697CCA936" 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-20181228.xsd#wdc_PaymentsForLongTermLoansForRelatedParties" xlink:label="loc_wdc_PaymentsForLongTermLoansForRelatedParties_4C1724DFFEF6605055B599D697CCA936" xlink:type="locator" />
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    <link:label id="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_CBF0057446017B0DAA1A99D697CC68E8_terseLabel_en-US" xlink:label="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_CBF0057446017B0DAA1A99D697CC68E8" 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_CBF0057446017B0DAA1A99D697CC68E8_label_en-US" xlink:label="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_CBF0057446017B0DAA1A99D697CC68E8" 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_CBF0057446017B0DAA1A99D697CC68E8_documentation_en-US" xlink:label="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_CBF0057446017B0DAA1A99D697CC68E8" 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-20181228.xsd#wdc_ProceedsFromLongTermLoansForRelatedParties" xlink:label="loc_wdc_ProceedsFromLongTermLoansForRelatedParties_CBF0057446017B0DAA1A99D697CC68E8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_46AFC5A5DAC65585753C99D697CC659F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_46AFC5A5DAC65585753C99D697CC659F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Strategic investments and other, net</link:label>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_46AFC5A5DAC65585753C99D697CC659F_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_46AFC5A5DAC65585753C99D697CC659F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Other Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_46AFC5A5DAC65585753C99D697CC659F" xlink:type="locator" />
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    <link:label id="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_40EC0C94C93078A6991999D697CC7540_terseLabel_en-US" xlink:label="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_40EC0C94C93078A6991999D697CC7540" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intercompany loan from (to) consolidated affiliates</link:label>
    <link:label id="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_40EC0C94C93078A6991999D697CC7540_label_en-US" xlink:label="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_40EC0C94C93078A6991999D697CC7540" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intercompany loans to (from) consolidated subsidiaries</link:label>
    <link:label id="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_40EC0C94C93078A6991999D697CC7540_documentation_en-US" xlink:label="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_40EC0C94C93078A6991999D697CC7540" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Intercompany to (from) parent entity to wholly owned consolidated subsidiaries that are settled.</link:label>
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    <link:label id="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_172E3AC95351ADF9E8D399D697CD2863_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_172E3AC95351ADF9E8D399D697CD2863" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advances from (to) parent and consolidated affiliates</link:label>
    <link:label id="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_172E3AC95351ADF9E8D399D697CD2863_label_en-US" xlink:label="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_172E3AC95351ADF9E8D399D697CD2863" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in and Advances to Affiliates, at Fair Value, Gross Additions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions" xlink:label="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_172E3AC95351ADF9E8D399D697CD2863" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_73E3FEE9B444685D894D99D697CDCA5F_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_73E3FEE9B444685D894D99D697CDCA5F" 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_73E3FEE9B444685D894D99D697CDCA5F_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_73E3FEE9B444685D894D99D697CDCA5F" 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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_73E3FEE9B444685D894D99D697CDCA5F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_228FD132B589AEDF683D99D697CDA0A4_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_228FD132B589AEDF683D99D697CDA0A4" 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_66B004D76AFACE5E886199D697CD9A84_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_66B004D76AFACE5E886199D697CD9A84" 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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_66B004D76AFACE5E886199D697CD9A84" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_AC1AC0E5D6F838762BAFB38A37082ACD" xlink:type="locator" />
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    <link:label id="lab_wdc_InvestmentFundingCommitments_29BE312C599D32BD5447B38A370ED9E7_terseLabel_en-US" xlink:label="lab_wdc_InvestmentFundingCommitments_29BE312C599D32BD5447B38A370ED9E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment funding commitments</link:label>
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    <link:loc xlink:href="wdc-20181228.xsd#wdc_InvestmentFundingCommitments" xlink:label="loc_wdc_InvestmentFundingCommitments_29BE312C599D32BD5447B38A370ED9E7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DueFromAffiliateCurrent_4E950F7D2E9233226C3894E54E1D9B4F_terseLabel_en-US" xlink:label="lab_us-gaap_DueFromAffiliateCurrent_4E950F7D2E9233226C3894E54E1D9B4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans due from consolidated affiliates</link:label>
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    <link:label id="lab_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_C5D8654BFC16A6F9A30199AE7007F148_terseLabel_en-US" xlink:label="lab_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_C5D8654BFC16A6F9A30199AE7007F148" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">0.50% convertible senior notes due 2020</link:label>
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    <link:label id="lab_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_C5D8654BFC16A6F9A30199AE7007F148_documentation_en-US" xlink:label="lab_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_C5D8654BFC16A6F9A30199AE7007F148" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">0.5% Sr. Convertible Notes due 2020 [Member]</link:label>
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    <link:label id="lab_wdc_TermLoanA1Member_F93AE5C9207F7EC9AE9F99AE700875AB_terseLabel_en-US" xlink:label="lab_wdc_TermLoanA1Member_F93AE5C9207F7EC9AE9F99AE700875AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable interest rate Term Loan A-1 maturing 2023</link:label>
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    <link:label id="lab_wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember_2E291BC6B6608772925999AE7008B2A7_terseLabel_en-US" xlink:label="lab_wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember_2E291BC6B6608772925999AE7008B2A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">4.750% senior unsecured notes due 2026</link:label>
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    <link:label id="lab_us-gaap_DepreciationAndAmortization_97333513B4D7087A178299D69F692894_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_97333513B4D7087A178299D69F692894" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_DepreciationAndAmortization_97333513B4D7087A178299D69F692894_label_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_97333513B4D7087A178299D69F692894" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, Depletion and Amortization, Nonproduction</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensation_2DC7855BF0AA5AA6F75299D69F6961A8_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_2DC7855BF0AA5AA6F75299D69F6961A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensation_2DC7855BF0AA5AA6F75299D69F6961A8_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_2DC7855BF0AA5AA6F75299D69F6961A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation</link:label>
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    <link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_880DDD74979624F47FC499D69F69DF11_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_880DDD74979624F47FC499D69F69DF11" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loss on disposal of assets</link:label>
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    <link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1046F094D3DFA058701299D69F6AFCDF_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1046F094D3DFA058701299D69F6AFCDF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-off of issuance costs and amortization of debt discounts</link:label>
    <link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1046F094D3DFA058701299D69F6AFCDF_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1046F094D3DFA058701299D69F6AFCDF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Debt Issuance Costs and Discounts</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1046F094D3DFA058701299D69F6AFCDF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1046F094D3DFA058701299D69F6AFCDF" xlink:to="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1046F094D3DFA058701299D69F6AFCDF" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_FEC1F5310F7C18E8898B99D69F6A4ADC_terseLabel_en-US" xlink:label="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_FEC1F5310F7C18E8898B99D69F6A4ADC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-cash operating activities, net</link:label>
    <link:label id="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_FEC1F5310F7C18E8898B99D69F6A4ADC_label_en-US" xlink:label="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_FEC1F5310F7C18E8898B99D69F6A4ADC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Activities, Cash Flow Statement</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C5A967847CFC9C99555899D69F6AE40B_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C5A967847CFC9C99555899D69F6AE40B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C5A967847CFC9C99555899D69F6AE40B_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C5A967847CFC9C99555899D69F6AE40B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C5A967847CFC9C99555899D69F6AE40B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C5A967847CFC9C99555899D69F6AE40B" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C5A967847CFC9C99555899D69F6AE40B" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_C64A4437D4C6DCB4790699D69F6AEE02_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_C64A4437D4C6DCB4790699D69F6AEE02" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable, net</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_C64A4437D4C6DCB4790699D69F6AEE02_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_C64A4437D4C6DCB4790699D69F6AEE02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_C64A4437D4C6DCB4790699D69F6AEE02" xlink:type="locator" />
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    <link:label id="lab_wdc_MunicipalNotesAndBondsMember_57E7F27852200480786B4D13986D441E_documentation_en-US" xlink:label="lab_wdc_MunicipalNotesAndBondsMember_57E7F27852200480786B4D13986D441E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Short and long-term debt securities issued by state, city or local governments or the agencies operated by state, city or local governments.</link:label>
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    <link:label id="lab_us-gaap_EquitySecuritiesMember_AE2215E6F8606591D5C74D13986DB9D3_label_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember_AE2215E6F8606591D5C74D13986DB9D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Securities [Member]</link:label>
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    <link:label id="lab_us-gaap_USTreasurySecuritiesMember_CD664AFD6E9A88DF1C854D13986EF6C3_terseLabel_en-US" xlink:label="lab_us-gaap_USTreasurySecuritiesMember_CD664AFD6E9A88DF1C854D13986EF6C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.S. Treasury securities</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_USTreasurySecuritiesMember" xlink:label="loc_us-gaap_USTreasurySecuritiesMember_CD664AFD6E9A88DF1C854D13986EF6C3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_8E4B824BFDE7F53D8F3C4D13986E93CC_terseLabel_en-US" xlink:label="lab_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_8E4B824BFDE7F53D8F3C4D13986E93CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.S. Government agency securities</link:label>
    <link:label id="lab_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_8E4B824BFDE7F53D8F3C4D13986E93CC_label_en-US" xlink:label="lab_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_8E4B824BFDE7F53D8F3C4D13986E93CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">US Government Agencies Debt Securities [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_8E4B824BFDE7F53D8F3C4D13986E93CC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ForeignGovernmentDebtSecuritiesMember_8F48757712FAF93E09124D13986EA7B6_label_en-US" xlink:label="lab_us-gaap_ForeignGovernmentDebtSecuritiesMember_8F48757712FAF93E09124D13986EA7B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Security, Government, Non-US [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_8F48757712FAF93E09124D13986EA7B6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ForeignExchangeContractMember_82E3EADBE75A3D92E3E24D13986E670C_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignExchangeContractMember_82E3EADBE75A3D92E3E24D13986E670C" 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_ForeignExchangeContractMember_82E3EADBE75A3D92E3E24D13986E670C_label_en-US" xlink:label="lab_us-gaap_ForeignExchangeContractMember_82E3EADBE75A3D92E3E24D13986E670C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Exchange Contract [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_82E3EADBE75A3D92E3E24D13986E670C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignExchangeContractMember_82E3EADBE75A3D92E3E24D13986E670C" xlink:to="lab_us-gaap_ForeignExchangeContractMember_82E3EADBE75A3D92E3E24D13986E670C" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestRateSwapMember_E52F6DDFF5E92EF801BD4D13986E2B9B_terseLabel_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_E52F6DDFF5E92EF801BD4D13986E2B9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate swap contract</link:label>
    <link:label id="lab_us-gaap_InterestRateSwapMember_E52F6DDFF5E92EF801BD4D13986E2B9B_label_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_E52F6DDFF5E92EF801BD4D13986E2B9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Swap [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_E52F6DDFF5E92EF801BD4D13986E2B9B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_5680660FF8DB3F5D5F454D13986FC302_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_5680660FF8DB3F5D5F454D13986FC302" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 1</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_5680660FF8DB3F5D5F454D13986FC302_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_5680660FF8DB3F5D5F454D13986FC302" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_5680660FF8DB3F5D5F454D13986FC302" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel1Member_5680660FF8DB3F5D5F454D13986FC302" xlink:to="lab_us-gaap_FairValueInputsLevel1Member_5680660FF8DB3F5D5F454D13986FC302" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_890B548C9DF391843EBA4D13986F76EF_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_890B548C9DF391843EBA4D13986F76EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 3</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_890B548C9DF391843EBA4D13986F76EF_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_890B548C9DF391843EBA4D13986F76EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_890B548C9DF391843EBA4D13986F76EF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_FDAD4C641122A1ED46E14D139870F8E0_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_FDAD4C641122A1ED46E14D139870F8E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_CBD70C269153B3AB9E5D4D1398703F33_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_CBD70C269153B3AB9E5D4D1398703F33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash equivalents:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_CBD70C269153B3AB9E5D4D1398703F33" xlink:type="locator" />
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    <link:label id="lab_wdc_PaymentOfPrincipalAmortizationMember_799F71EF132D8FAC498A4D1397B354E3_terseLabel_en-US" xlink:label="lab_wdc_PaymentOfPrincipalAmortizationMember_799F71EF132D8FAC498A4D1397B354E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payment of Principal Amortization</link:label>
    <link:label id="lab_wdc_PaymentOfPrincipalAmortizationMember_799F71EF132D8FAC498A4D1397B354E3_label_en-US" xlink:label="lab_wdc_PaymentOfPrincipalAmortizationMember_799F71EF132D8FAC498A4D1397B354E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment of Principal Amortization [Member]</link:label>
    <link:label id="lab_wdc_PaymentOfPrincipalAmortizationMember_799F71EF132D8FAC498A4D1397B354E3_documentation_en-US" xlink:label="lab_wdc_PaymentOfPrincipalAmortizationMember_799F71EF132D8FAC498A4D1397B354E3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payment of principal amortization.</link:label>
    <link:loc xlink:href="wdc-20181228.xsd#wdc_PaymentOfPrincipalAmortizationMember" xlink:label="loc_wdc_PaymentOfPrincipalAmortizationMember_799F71EF132D8FAC498A4D1397B354E3" xlink:type="locator" />
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    <link:label id="lab_wdc_PurchaseOptionExercisePriceMember_5AFFB4F181D0CA78778E4D1397B3519F_terseLabel_en-US" xlink:label="lab_wdc_PurchaseOptionExercisePriceMember_5AFFB4F181D0CA78778E4D1397B3519F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Option Exercise Price at Final Lease Terms</link:label>
    <link:label id="lab_wdc_PurchaseOptionExercisePriceMember_5AFFB4F181D0CA78778E4D1397B3519F_label_en-US" xlink:label="lab_wdc_PurchaseOptionExercisePriceMember_5AFFB4F181D0CA78778E4D1397B3519F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Option Exercise Price [Member]</link:label>
    <link:label id="lab_wdc_PurchaseOptionExercisePriceMember_5AFFB4F181D0CA78778E4D1397B3519F_documentation_en-US" xlink:label="lab_wdc_PurchaseOptionExercisePriceMember_5AFFB4F181D0CA78778E4D1397B3519F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase Option Exercise Price at Final Lease Terms.</link:label>
    <link:loc xlink:href="wdc-20181228.xsd#wdc_PurchaseOptionExercisePriceMember" xlink:label="loc_wdc_PurchaseOptionExercisePriceMember_5AFFB4F181D0CA78778E4D1397B3519F" xlink:type="locator" />
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    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_02331EBECB22C0D43A8B4D1397B3B04D_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_02331EBECB22C0D43A8B4D1397B3B04D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining six months of 2019</link:label>
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_02331EBECB22C0D43A8B4D1397B3B04D_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_02331EBECB22C0D43A8B4D1397B3B04D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Maximum Exposure Year One</link:label>
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_02331EBECB22C0D43A8B4D1397B3B04D_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_02331EBECB22C0D43A8B4D1397B3B04D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the first year after the balance sheet date.</link:label>
    <link:loc xlink:href="wdc-20181228.xsd#wdc_GuaranteeObligationsMaximumExposureYearOne" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureYearOne_02331EBECB22C0D43A8B4D1397B3B04D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_GuaranteeObligationsMaximumExposureYearOne_02331EBECB22C0D43A8B4D1397B3B04D" xlink:to="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_02331EBECB22C0D43A8B4D1397B3B04D" xlink:type="arc" />
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_F89C94D94121ABDDA2D34D1397B4870E_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_F89C94D94121ABDDA2D34D1397B4870E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_F89C94D94121ABDDA2D34D1397B4870E_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_F89C94D94121ABDDA2D34D1397B4870E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Maximum Exposure Year Two</link:label>
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_F89C94D94121ABDDA2D34D1397B4870E_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_F89C94D94121ABDDA2D34D1397B4870E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the second year after the balance sheet date.</link:label>
    <link:loc xlink:href="wdc-20181228.xsd#wdc_GuaranteeObligationsMaximumExposureYearTwo" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureYearTwo_F89C94D94121ABDDA2D34D1397B4870E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_GuaranteeObligationsMaximumExposureYearTwo_F89C94D94121ABDDA2D34D1397B4870E" xlink:to="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_F89C94D94121ABDDA2D34D1397B4870E" xlink:type="arc" />
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_102E36044A91B3913AA94D1397B458A8_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_102E36044A91B3913AA94D1397B458A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_102E36044A91B3913AA94D1397B458A8_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_102E36044A91B3913AA94D1397B458A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Maximum Exposure Year Three</link:label>
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_102E36044A91B3913AA94D1397B458A8_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_102E36044A91B3913AA94D1397B458A8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the third year after the balance sheet date.</link:label>
    <link:loc xlink:href="wdc-20181228.xsd#wdc_GuaranteeObligationsMaximumExposureYearThree" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureYearThree_102E36044A91B3913AA94D1397B458A8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_GuaranteeObligationsMaximumExposureYearThree_102E36044A91B3913AA94D1397B458A8" xlink:to="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_102E36044A91B3913AA94D1397B458A8" xlink:type="arc" />
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_78E3AA93DD4536DE6A2E4D1397B4F0E5_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_78E3AA93DD4536DE6A2E4D1397B4F0E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_78E3AA93DD4536DE6A2E4D1397B4F0E5_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_78E3AA93DD4536DE6A2E4D1397B4F0E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Maximum Exposure Year Four</link:label>
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_78E3AA93DD4536DE6A2E4D1397B4F0E5_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_78E3AA93DD4536DE6A2E4D1397B4F0E5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the fourth year after the balance sheet date.</link:label>
    <link:loc xlink:href="wdc-20181228.xsd#wdc_GuaranteeObligationsMaximumExposureYearFour" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureYearFour_78E3AA93DD4536DE6A2E4D1397B4F0E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_GuaranteeObligationsMaximumExposureYearFour_78E3AA93DD4536DE6A2E4D1397B4F0E5" xlink:to="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_78E3AA93DD4536DE6A2E4D1397B4F0E5" xlink:type="arc" />
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_D879A4F7614147FA6D204D1397B479FC_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_D879A4F7614147FA6D204D1397B479FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2023</link:label>
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_D879A4F7614147FA6D204D1397B479FC_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_D879A4F7614147FA6D204D1397B479FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Maximum Exposure Year Five</link:label>
    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_D879A4F7614147FA6D204D1397B479FC_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_D879A4F7614147FA6D204D1397B479FC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the fifth year after the balance sheet date.</link:label>
    <link:loc xlink:href="wdc-20181228.xsd#wdc_GuaranteeObligationsMaximumExposureYearFive" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureYearFive_D879A4F7614147FA6D204D1397B479FC" xlink:type="locator" />
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    <link:label id="lab_wdc_GuaranteeObligationsMaximumExposureThereafter_60258EB3DB546F5D87694D1397B4EACF_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureThereafter_60258EB3DB546F5D87694D1397B4EACF" 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_GuaranteeObligationsMaximumExposureThereafter_60258EB3DB546F5D87694D1397B4EACF_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureThereafter_60258EB3DB546F5D87694D1397B4EACF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Maximum Exposure Thereafter</link:label>
    <link:loc xlink:href="wdc-20181228.xsd#wdc_GuaranteeObligationsMaximumExposureThereafter" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureThereafter_60258EB3DB546F5D87694D1397B4EACF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_4DF7F4C424E120B14BA04D1397B4278C_totalLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure_4DF7F4C424E120B14BA04D1397B4278C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total guarantee obligations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_4DF7F4C424E120B14BA04D1397B4278C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsMaximumExposure_4DF7F4C424E120B14BA04D1397B4278C" xlink:to="lab_us-gaap_GuaranteeObligationsMaximumExposure_4DF7F4C424E120B14BA04D1397B4278C" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_24453B58EF870B224407CBFCFD508D50_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_24453B58EF870B224407CBFCFD508D50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_24453B58EF870B224407CBFCFD508D50" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_5649F27F7E6271F04ED6CBFCFD5058E6_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_5649F27F7E6271F04ED6CBFCFD5058E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-lived intangible assets</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_5649F27F7E6271F04ED6CBFCFD5058E6" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_E9B50ABC88B2A7B68FB0CBFCFD513B69" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_C535F9908CBABA55C2274D1397854BED_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_C535F9908CBABA55C2274D1397854BED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price Per Share</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3BD32610DA77A557571D4D1397854469_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3BD32610DA77A557571D4D1397854469" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Options outstanding, beginning balance, exercise price, in dollars per share</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_1C0EBF177CDF77C1FBCA4D139786D4CD_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_1C0EBF177CDF77C1FBCA4D139786D4CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercised, exercise price, in dollars per share</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_1C0EBF177CDF77C1FBCA4D139786D4CD_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_1C0EBF177CDF77C1FBCA4D139786D4CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_1C0EBF177CDF77C1FBCA4D139786D4CD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5E36C22030344BAAB92C4D139786CCD9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5E36C22030344BAAB92C4D139786CCD9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Canceled or expired, exercise price, in dollars per share</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5E36C22030344BAAB92C4D139786CCD9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5E36C22030344BAAB92C4D139786CCD9" 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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5E36C22030344BAAB92C4D139786CCD9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_60E7B1F591D7463DF2F04D1397862497_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_60E7B1F591D7463DF2F04D1397862497" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Options outstanding, ending balance, exercise price, in dollars per share</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_60E7B1F591D7463DF2F04D1397862497" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_60E7B1F591D7463DF2F04D1397862497" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_859682C081212C9962414D1397867031_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_859682C081212C9962414D1397867031" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercisable, period end, exercise price, in dollars per share</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_859682C081212C9962414D1397867031_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_859682C081212C9962414D1397867031" 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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_859682C081212C9962414D1397867031" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_CD93295ABDAA23B27CF54D1397867CD6_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_CD93295ABDAA23B27CF54D1397867CD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate Intrinsic Value</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_CD93295ABDAA23B27CF54D1397867CD6_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_CD93295ABDAA23B27CF54D1397867CD6" 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, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract]</link:label>
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