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  <xsd:element id="wdc_ArbitrationAwardReserve" name="ArbitrationAwardReserve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_AssetsHeldInNonSignificantDefinedBenefitPlan" name="AssetsHeldInNonSignificantDefinedBenefitPlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_AssumedStockAppreciationRightsOutstandingAtBalanceSheetDate" name="AssumedStockAppreciationRightsOutstandingAtBalanceSheetDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="wdc_BasisOfPresentationPolicyTextBlock" name="BasisOfPresentationPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_BenefitGeneratedFromStockBasedCompensationDeductions" name="BenefitGeneratedFromStockBasedCompensationDeductions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_BusinessSegmentGeographicInformationAndMajorCustomersTextBlock" name="BusinessSegmentGeographicInformationAndMajorCustomersTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_CashDividendDeclared" name="CashDividendDeclared" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_CashDividendPerCommonShareDeclared" name="CashDividendPerCommonShareDeclared" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_CashSettledStockAppreciationRightsLiability" name="CashSettledStockAppreciationRightsLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_ChargeRelatedToStatePropositionThirtyNine" name="ChargeRelatedToStatePropositionThirtyNine" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="wdc_CommonStockValues" name="CommonStockValues" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_CompanyContributionsVestPeriod" name="CompanyContributionsVestPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_CompensationCostForCashSettledStockAppreciationRights" name="CompensationCostForCashSettledStockAppreciationRights" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_ConcentrationOfCreditRiskPolicyTextBlock" name="ConcentrationOfCreditRiskPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ConcentrationRiskNumber" name="ConcentrationRiskNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_CreditCarryforwardsAvailableToOffsetFutureTaxableIncome" name="CreditCarryforwardsAvailableToOffsetFutureTaxableIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_CreditFacilityAdditionalBorrowingCapacity" name="CreditFacilityAdditionalBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DeferredTaxLiabilitiesIncludingPortionofValuationAllowance" name="DeferredTaxLiabilitiesIncludingPortionofValuationAllowance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DefinedBenefitPlanBenefitsPaidBenefitObligation" name="DefinedBenefitPlanBenefitsPaidBenefitObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_DefinedBenefitPlanBenefitsPaidPlanAssets" name="DefinedBenefitPlanBenefitsPaidPlanAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_DefinedBenefitPlanEstimatedAnnualBenefitsPaymentPeriod" name="DefinedBenefitPlanEstimatedAnnualBenefitsPaymentPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_DefinedBenefitPlanExpectedFutureBenefitPaymentsAnnualRange" name="DefinedBenefitPlanExpectedFutureBenefitPaymentsAnnualRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DefinedBenefitPlanUnfundedStatus" name="DefinedBenefitPlanUnfundedStatus" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DefinedContributionPlanDisclosureTextBlock" name="DefinedContributionPlanDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_DerivativeAssetFairValueAmountOffset" name="DerivativeAssetFairValueAmountOffset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DerivativeAssetFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset" name="DerivativeAssetFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DerivativeCollateralObligationToReturnCashOrRightToReclaimCash" name="DerivativeCollateralObligationToReturnCashOrRightToReclaimCash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DerivativeFairValueAmountOffset" name="DerivativeFairValueAmountOffset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DerivativeFairValueGross" name="DerivativeFairValueGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DerivativeFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset" name="DerivativeFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DerivativeLiabilityFairValueAmountOffset" name="DerivativeLiabilityFairValueAmountOffset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DerivativeLiabilityFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset" name="DerivativeLiabilityFinancialInstrumentsSubjectToMasterNettingArrangementElectedNotToBeOffset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_DisputedPostAwardInterest" name="DisputedPostAwardInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_DividendsAccruedin2014Member" name="DividendsAccruedin2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_DividendsDeclared" name="DividendsDeclared" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_DocumentDocumentAndEntityInformationAbstract" name="DocumentDocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_EffectiveIncomeTaxRateReconciliationNonDeductibleExpenses" name="EffectiveIncomeTaxRateReconciliationNonDeductibleExpenses" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_EligibleCompensationPercentage" name="EligibleCompensationPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_EligibleEmployeePayrollDeductionAmountForEmployeeStockPurchasePlan" name="EligibleEmployeePayrollDeductionAmountForEmployeeStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_EmployeeServiceShareBasedCompensationTaxBenefitFromRestrictedStockAmortizationExpense" name="EmployeeServiceShareBasedCompensationTaxBenefitFromRestrictedStockAmortizationExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="wdc_EmployeeServiceShareBasedCompensationTaxBenefitFromStockAppreciationRightsCompensationExpense" name="EmployeeServiceShareBasedCompensationTaxBenefitFromStockAppreciationRightsCompensationExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="wdc_EmployeeStockPurchasePlanOfferingPeriod" name="EmployeeStockPurchasePlanOfferingPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_EmployeeTerminationBenefitsAndOtherChargesDisclosureTextBlock" name="EmployeeTerminationBenefitsAndOtherChargesDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_Employeeterminationassetimpairmentandothercharges" name="Employeeterminationassetimpairmentandothercharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_EntityWideAccountsReceivableMajorCustomerPercentage" name="EntityWideAccountsReceivableMajorCustomerPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_EquityCommingledMutualFundsMember" name="EquityCommingledMutualFundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_EsppMember" name="EsppMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_EuropeMiddleEastAndAfricaMember" name="EuropeMiddleEastAndAfricaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_ExistingTechnologyMember" name="ExistingTechnologyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_FairValueOfEmployeeStockPurchasePlanPurchaseRightsGrantedTableTextBlock" name="FairValueOfEmployeeStockPurchasePlanPurchaseRightsGrantedTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_FederalAndStateTaxCreditCarryforwards" name="FederalAndStateTaxCreditCarryforwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_FederalNetOperatingLossCarryforward" name="FederalNetOperatingLossCarryforward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_FinalArbitrationAward" name="FinalArbitrationAward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_ForeignCurrencyContractsMaximumMaturityTerm" name="ForeignCurrencyContractsMaximumMaturityTerm" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ForeignExchangeContractsClosedDuringPeriod" name="ForeignExchangeContractsClosedDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_ForeignExchangeContractsOpenedDuringPeriod" name="ForeignExchangeContractsOpenedDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_ForeignPensionPlansDefinedCostMember" name="ForeignPensionPlansDefinedCostMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_GainOnInsuranceRecovery" name="GainOnInsuranceRecovery" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_GrantDateFairValueOfSharesUnderlyingRestrictedStockAwards" name="GrantDateFairValueOfSharesUnderlyingRestrictedStockAwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_GrantedStockOptionsFairValueAssumptionsTableTextBlock" name="GrantedStockOptionsFairValueAssumptionsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_HewlettPackardCompanyMember" name="HewlettPackardCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_ImpairmentOfAssetsMember" name="ImpairmentOfAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_IncreaseDecreaseInArbitrationAwardReserve" name="IncreaseDecreaseInArbitrationAwardReserve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_InsuranceRecoveriesAndOtherCostReimbursement" name="InsuranceRecoveriesAndOtherCostReimbursement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="wdc_IntangiblesWeightedAverageAmortizationPeriod" name="IntangiblesWeightedAverageAmortizationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_InterestAndOtherExpense" name="InterestAndOtherExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_LeaseholdInterestsMember" name="LeaseholdInterestsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_LineOfCreditFacilityAmountAvailableToBorrow" name="LineOfCreditFacilityAmountAvailableToBorrow" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_LitigationAndOtherContingenciesPolicyTextBlock" name="LitigationAndOtherContingenciesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_LongTermDebtScheduleTableTextBlock" name="LongTermDebtScheduleTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_LongTermPurchaseCommitmentInYearFour" name="LongTermPurchaseCommitmentInYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_LongTermPurchaseCommitmentInYearOne" name="LongTermPurchaseCommitmentInYearOne" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_LongTermPurchaseCommitmentInYearThree" name="LongTermPurchaseCommitmentInYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_LongTermPurchaseCommitmentInYearTwo" name="LongTermPurchaseCommitmentInYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_LongtermInvestmentsFairValueDisclosure" name="LongtermInvestmentsFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_MaximumPercentageOfCompensationEligibleForEmployerMatch" name="MaximumPercentageOfCompensationEligibleForEmployerMatch" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_MinimumAmountOfMatchingAnnualContribution" name="MinimumAmountOfMatchingAnnualContribution" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_MinimumBasisOfEmployeeContributionsEligibleForEmployerMatch" name="MinimumBasisOfEmployeeContributionsEligibleForEmployerMatch" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_NetOperatingLossBenefitsRelatedToStockBasedCompensationDeductions" name="NetOperatingLossBenefitsRelatedToStockBasedCompensationDeductions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_NetUndistributedEarningFromForeignSubsidiaries" name="NetUndistributedEarningFromForeignSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_NolCarryforwardAvailableToOffsetFutureFederalTaxableIncomeExpirationPeriod" name="NolCarryforwardAvailableToOffsetFutureFederalTaxableIncomeExpirationPeriod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_NolCarryforwardAvailableToOffsetFutureStateTaxableIncomeExpirationPeriod" name="NolCarryforwardAvailableToOffsetFutureStateTaxableIncomeExpirationPeriod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_NonCashPortionOfEmployeeTerminationBenefitsAndOtherCharges" name="NonCashPortionOfEmployeeTerminationBenefitsAndOtherCharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_NumberOfSharesToBeIssuedForEveryOneShareActuallyIssuedInConnectionWithAward" name="NumberOfSharesToBeIssuedForEveryOneShareActuallyIssuedInConnectionWithAward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="wdc_OffsettingAssetsAndLiabilitiesTableTextBlock" name="OffsettingAssetsAndLiabilitiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_OperatingLeasesExpirationDates" name="OperatingLeasesExpirationDates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_OptionsOutstandingAndExercisableUnderStockPlansAbstract" name="OptionsOutstandingAndExercisableUnderStockPlansAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPrice" name="OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPrice" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="wdc_OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPriceIntrinsicValue" name="OptionsOutstandingToPurchaseSharesWithExercisePriceBelowCompanyStockPriceIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_OtherChangesInPlanAssets" name="OtherChangesInPlanAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_OtherIntangibleMember" name="OtherIntangibleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_OthersMember" name="OthersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_OutstandingAwardsAndSharesAvailableForAwardMember" name="OutstandingAwardsAndSharesAvailableForAwardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_PaymentofCashDividendsDeclaredinCurrentYear" name="PaymentofCashDividendsDeclaredinCurrentYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_PensionPlansPostretirementAndOtherEmployeeBenefitsLineItems" name="PensionPlansPostretirementAndOtherEmployeeBenefitsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_PercentageOfMarketValueForPurchasesWithinEmployeeStockPurchasePlan" name="PercentageOfMarketValueForPurchasesWithinEmployeeStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_PeriodOfTermLoanFacility" name="PeriodOfTermLoanFacility" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_PriorServiceCreditsForDefinedBenefitPensionPlansIncludedInAccumulatedOtherComprehensiveIncomeAtBalanceSheetDate" name="PriorServiceCreditsForDefinedBenefitPensionPlansIncludedInAccumulatedOtherComprehensiveIncomeAtBalanceSheetDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_ProductWarrantyPeriodMaximum" name="ProductWarrantyPeriodMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ProductWarrantyPeriodMinimum" name="ProductWarrantyPeriodMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_PurchasePriceAllocationOfBusinessCombinationTableTextBlock" name="PurchasePriceAllocationOfBusinessCombinationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_RangeFiveMember" name="RangeFiveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_RangeFourMember" name="RangeFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_RangeOneMember" name="RangeOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_RangeSixMember" name="RangeSixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_RangeThreeMember" name="RangeThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_RangeTwoMember" name="RangeTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_RecentAccountingPronouncementsPolicyTextBlock" name="RecentAccountingPronouncementsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_RecognitionOfLiabilitiesForUncertainTaxPositionsDescription" name="RecognitionOfLiabilitiesForUncertainTaxPositionsDescription" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_RemainingAmountForRepurchaseUnderShareRepurchaseProgram" name="RemainingAmountForRepurchaseUnderShareRepurchaseProgram" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_ReservesForPotentialCreditLosses" name="ReservesForPotentialCreditLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_RevenueAndAccountsReceivablePolicyTextBlock" name="RevenueAndAccountsReceivablePolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_SeveranceAndOtherChargesLineItems" name="SeveranceAndOtherChargesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardsEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardsEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentsAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate" name="ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationFairValueAssumptionsSuboptimalExerciseFactor" name="ShareBasedCompensationFairValueAssumptionsSuboptimalExerciseFactor" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice" name="ShareBasedCompensationOptionsAssumedWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationOptionsExercisableIntrinsicValue" name="ShareBasedCompensationOptionsExercisableIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_ShareBasedCompensationOptionsExercisableRemainingContractualLife" name="ShareBasedCompensationOptionsExercisableRemainingContractualLife" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationOptionsExercisesInPeriodWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice" name="ShareBasedCompensationOptionsGrantedWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShareBasedCompensationSharesAuthorizedUnderStockOptionsPlansExercisePriceRangeLowerRangeLimit" name="ShareBasedCompensationSharesAuthorizedUnderStockOptionsPlansExercisePriceRangeLowerRangeLimit" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="wdc_ShareBasedCompensationSharesAuthorizedUnderStockOptionsPlansExercisePriceRangeUpperRangeLimit" name="ShareBasedCompensationSharesAuthorizedUnderStockOptionsPlansExercisePriceRangeUpperRangeLimit" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="wdc_ShorttermInvestmentsFairValueDisclosure" name="ShorttermInvestmentsFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_StatementOfOtherComprehensiveIncomeLossAbstract" name="StatementOfOtherComprehensiveIncomeLossAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_StockAppreciationRightOutstandingWeightedAverageExercisePrice" name="StockAppreciationRightOutstandingWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="wdc_StockRepurchaseProgramAdditionalAmountAuthorized" name="StockRepurchaseProgramAdditionalAmountAuthorized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_StockholdersEquityNoteLineItems" name="StockholdersEquityNoteLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_StockholdersEquityNoteTable" name="StockholdersEquityNoteTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_SublimitForLettersOfCreditUnderRevolvingCreditFacility" name="SublimitForLettersOfCreditUnderRevolvingCreditFacility" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_SublimitForSwingLineLoansUnderRevolvingCreditFacility" name="SublimitForSwingLineLoansUnderRevolvingCreditFacility" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_SummarizesTableOfAllSharesOfCommonStockReservedForIssuanceAbstract" name="SummarizesTableOfAllSharesOfCommonStockReservedForIssuanceAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_SummarizesTableOfAllSharesOfCommonStockReservedForIssuanceTableTextBlock" name="SummarizesTableOfAllSharesOfCommonStockReservedForIssuanceTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_SupplementalFinancialInformationLineItems" name="SupplementalFinancialInformationLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_SupplementalFinancialInformationTable" name="SupplementalFinancialInformationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_SupplementalFinancialInformationTableTextBlock" name="SupplementalFinancialInformationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_TaxBenefitResultingFromRetroactiveExtensionOfResearchAndDevelopmentCredit" name="TaxBenefitResultingFromRetroactiveExtensionOfResearchAndDevelopmentCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_TaxCreditCarryforwardExpirationPeriodDescription" name="TaxCreditCarryforwardExpirationPeriodDescription" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans" name="TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_TermLoanMember" name="TermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_TermsOfEmployerContribution" name="TermsOfEmployerContribution" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_TopTenCustomersMember" name="TopTenCustomersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_Tradeaccountsreceivablefactored" name="Tradeaccountsreceivablefactored" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_UnsecuredLoanUnderCreditFacility" name="UnsecuredLoanUnderCreditFacility" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_UnvestedEmployeeServiceShareBasedCompensationStockOptionAwardsAndEmployeeStockPurchasePlanRightsIssuedButNotYetRecognized" name="UnvestedEmployeeServiceShareBasedCompensationStockOptionAwardsAndEmployeeStockPurchasePlanRightsIssuedButNotYetRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_UnvestedEmployeeServiceShareBasedCompensationStockOptionAwardsAndEmployeeStockPurchasePlanRightsIssuedButNotYetRecognizedPeriodForRecognition" name="UnvestedEmployeeServiceShareBasedCompensationStockOptionAwardsAndEmployeeStockPurchasePlanRightsIssuedButNotYetRecognizedPeriodForRecognition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_VestingPeriodForRestrictedStock" name="VestingPeriodForRestrictedStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
</xsd:schema>
