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  <xsd:element abstract="true" id="wdc_IncomeTaxDisclosureTable" name="IncomeTaxDisclosureTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_Intercompanyloanstofromconsolidatedsubsidiaries" name="Intercompanyloanstofromconsolidatedsubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_Intercompanyoperatingexpenseincome" name="Intercompanyoperatingexpenseincome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_InvestmentFundingCommitments" name="InvestmentFundingCommitments" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_LeaseholdInterestsMember" name="LeaseholdInterestsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_LongtermInvestmentsFairValueDisclosure" name="LongtermInvestmentsFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_MakeWholePremiumsMember" name="MakeWholePremiumsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_MalaysiaBankJurisdictionMember" name="MalaysiaBankJurisdictionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_MunicipalNotesAndBondsMember" name="MunicipalNotesAndBondsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts" name="NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_NetOperatingLossBenefitsStockbasedCompensationDeductions" name="NetOperatingLossBenefitsStockbasedCompensationDeductions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <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_NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationValue" name="NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_NoteConversionOptionsMember" name="NoteConversionOptionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_NotesReceivableAndInvestmentsInRelatedParties" name="NotesReceivableAndInvestmentsInRelatedParties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_NotesReceivableAndInvestmentsInRelatedPartiesTableTextBlock" name="NotesReceivableAndInvestmentsInRelatedPartiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_NumberOfSharesToBeIssuedForEveryOneShareActuallyIssuedInConnectionWithAward" name="NumberOfSharesToBeIssuedForEveryOneShareActuallyIssuedInConnectionWithAward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_OffBalanceSheetGuaranteeMember" name="OffBalanceSheetGuaranteeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember" name="OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_OperatingLossAndTaxCreditCarryforwardsAmount" name="OperatingLossAndTaxCreditCarryforwardsAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_OtherComprehensiveIncomeLossNetofTaxPolicyTextBlock" name="OtherComprehensiveIncomeLossNetofTaxPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_OtherComprehensiveIncomeReclassificationsAbstract" name="OtherComprehensiveIncomeReclassificationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" 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_OtherMember" name="OtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_OtherMiscellaniousLiabilitiesNoncurrent" name="OtherMiscellaniousLiabilitiesNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_OutstandingAwardsAndSharesAvailableForAwardMember" name="OutstandingAwardsAndSharesAvailableForAwardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_PartnersOwnershipInVentureBusiness" name="PartnersOwnershipInVentureBusiness" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_PaymentOfPrincipalAmortizationMember" name="PaymentOfPrincipalAmortizationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_PaymentsForLongTermLoansForRelatedParties" name="PaymentsForLongTermLoansForRelatedParties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_PostTaxMember" name="PostTaxMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_PreTaxMember" name="PreTaxMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_ProceedsFromLongTermLoansForRelatedParties" name="ProceedsFromLongTermLoansForRelatedParties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_PurchaseOptionExercisePriceMember" name="PurchaseOptionExercisePriceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_RelatedCostsAndFairValuesBasedOnQuotedMarketPricesTableTextBlock" name="RelatedCostsAndFairValuesBasedOnQuotedMarketPricesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_RemainingGuaranteeObligationsTableTextBlock" name="RemainingGuaranteeObligationsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_RestrictedStockUnitsAndPerformanceShareUnitsMember" name="RestrictedStockUnitsAndPerformanceShareUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_RestructuringPlanMember" name="RestructuringPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_RevenuebyEndMarketAbstract" name="RevenuebyEndMarketAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_RevenuefromExternalCustomersbyEndMarketsTableTextBlock" name="RevenuefromExternalCustomersbyEndMarketsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_SanDiskMember" name="SanDiskMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_ScheduleOfCommitmentsContingenciesAndGuaranteesTable" name="ScheduleOfCommitmentsContingenciesAndGuaranteesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_SecuredNotesMember" name="SecuredNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_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_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate" name="ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor" name="SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_ShorttermInvestmentsFairValueDisclosure" name="ShorttermInvestmentsFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_StartupCostCommitment" name="StartupCostCommitment" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_StockAcquiredDuringPeriodSharesConvertibleSecuritiesHedge" name="StockAcquiredDuringPeriodSharesConvertibleSecuritiesHedge" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member" name="StockRepurchaseProgramEffectiveUntilFebruary32020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock" name="SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock" 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_TaxCutsandJobsActof2017ChangeinTaxRateIncomeTaxExpenseBenefitIncompleteAccountingProvisionalAmount" name="TaxCutsandJobsActof2017ChangeinTaxRateIncomeTaxExpenseBenefitIncompleteAccountingProvisionalAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wdc_TaxCutsandJobsActof2017DeferredTaxAssetsTaxCreditCarryforwardsForeignProvisionalAmount" name="TaxCutsandJobsActof2017DeferredTaxAssetsTaxCreditCarryforwardsForeignProvisionalAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wdc_TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxesProvisionalIncomeTaxExpenseBenefit" name="TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxesProvisionalIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="wdc_TaxCutsandJobsActof2017IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossibleIncompleteAccountingProvisionalAmount" name="TaxCutsandJobsActof2017IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossibleIncompleteAccountingProvisionalAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_TaxCutsandJobsActof2017TransitionTaxforAccumulatedForeignEarningsLiabilityCurrentIncompleteAccountingProvisionalAmount" name="TaxCutsandJobsActof2017TransitionTaxforAccumulatedForeignEarningsLiabilityCurrentIncompleteAccountingProvisionalAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wdc_TaxCutsandJobsActof2017TransitionTaxforAccumulatedForeignEarningsLiabilityIncompleteAccountingProvisionalAmount" name="TaxCutsandJobsActof2017TransitionTaxforAccumulatedForeignEarningsLiabilityIncompleteAccountingProvisionalAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_TaxScenarioAxis" name="TaxScenarioAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_TaxScenarioDomain" name="TaxScenarioDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_TermLoanA1Member" name="TermLoanA1Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_TermLoanAMember" name="TermLoanAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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 abstract="true" id="wdc_ToshibaMemoryCorporationMember" name="ToshibaMemoryCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_TotalCashAndCashEquivalentsAndAvailableforsaleSecurities" name="TotalCashAndCashEquivalentsAndAvailableforsaleSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wdc_TradenamesandtrademarksMember" name="TradenamesandtrademarksMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_U.S.TermLoanB2Member" name="U.S.TermLoanB2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_U.S.TermLoanB3Member" name="U.S.TermLoanB3Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_U.S.TermLoanB4Member" name="U.S.TermLoanB4Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_UnisVentureMember" name="UnisVentureMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_UnissoftWuxiGroupCoLtd.Member" name="UnissoftWuxiGroupCoLtd.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_UnsecuredNotesMember" name="UnsecuredNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wdc_VariableInterestEntityMaximumLossExposureTableTextBlock" name="VariableInterestEntityMaximumLossExposureTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_WesternDigitalCorpMember" name="WesternDigitalCorpMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wdc_WindfallTaxBenefitUnrecognizedMember" name="WindfallTaxBenefitUnrecognizedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
