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  <xsd:element id="sfbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalPerformanceSharesAttainedWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalPerformanceSharesAttainedWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element id="sfbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesVestedUponCertainPerformanceMetricsPercentage" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesVestedUponCertainPerformanceMetricsPercentage" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="sfbs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisedWeightedAverageRemainingContractualTerm" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisedWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="sfbs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedIntrinsicValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="sfbs_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedWeightedAverageRemainingContractualTerm" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_The2009PlanMember" name="The2009PlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sfbs_TimeDepositsBelowFDICInsuranceLimit" name="TimeDepositsBelowFDICInsuranceLimit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="sfbs_UsTreasurySecuritiesAndResidentialMortgagebackedSecuritiesMember" name="UsTreasurySecuritiesAndResidentialMortgagebackedSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-12-fair-value-measurement-fair-value-measurements-nonrecurring-details" name="statement-statement-note-12-fair-value-measurement-fair-value-measurements-nonrecurring-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-12-fair-value-measurement-financial-assets-and-financial-liabilities-carried-at-fair-value-on-a-recurring-basis-details" name="statement-statement-note-12-fair-value-measurement-financial-assets-and-financial-liabilities-carried-at-fair-value-on-a-recurring-basis-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-12-fair-value-measurement-financial-assets-and-liabilities-carried-at-fair-value-on-recurring-basis-or-nonrecurring-basis-details" name="statement-statement-note-12-fair-value-measurement-financial-assets-and-liabilities-carried-at-fair-value-on-recurring-basis-or-nonrecurring-basis-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
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  <xsd:element abstract="true" id="sfbs_statement-statement-note-12-fair-value-measurement-tables" name="statement-statement-note-12-fair-value-measurement-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-3-earnings-per-common-share-summary-of-earnings-per-common-share-details" name="statement-statement-note-3-earnings-per-common-share-summary-of-earnings-per-common-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-3-earnings-per-common-share-summary-of-earnings-per-common-share-detailsB8B6413E-96DD-4D57-8712-7CBDDA4A1BA2" name="statement-statement-note-3-earnings-per-common-share-summary-of-earnings-per-common-share-detailsB8B6413E-96DD-4D57-8712-7CBDDA4A1BA2" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
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  <xsd:element abstract="true" id="sfbs_statement-statement-note-4-securities-amortized-cost-and-fair-value-of-availableforsale-and-heldtomaturity-securities-details" name="statement-statement-note-4-securities-amortized-cost-and-fair-value-of-availableforsale-and-heldtomaturity-securities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-4-securities-amortized-cost-and-fair-value-of-contractual-securities-details" name="statement-statement-note-4-securities-amortized-cost-and-fair-value-of-contractual-securities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-4-securities-debt-securities-availableforsale-details" name="statement-statement-note-4-securities-debt-securities-availableforsale-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-4-securities-investment-securities-continuous-unrealized-loss-position-details" name="statement-statement-note-4-securities-investment-securities-continuous-unrealized-loss-position-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
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  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-analysis-of-allowance-for-loans-losses-by-portfolio-segment-details" name="statement-statement-note-5-loans-analysis-of-allowance-for-loans-losses-by-portfolio-segment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-financing-receivable-modified-details" name="statement-statement-note-5-loans-financing-receivable-modified-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-financing-receivable-modified-details9793CCDF-A115-4FAD-9860-696B5332484B" name="statement-statement-note-5-loans-financing-receivable-modified-details9793CCDF-A115-4FAD-9860-696B5332484B" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-loans-by-credit-quality-indicators-loans-type-and-year-of-origination-details" name="statement-statement-note-5-loans-loans-by-credit-quality-indicators-loans-type-and-year-of-origination-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-loans-by-credit-quality-indicators-loans-type-and-year-of-origination-details982EF00A-8E40-4A2C-81C4-27F1031BCF16" name="statement-statement-note-5-loans-loans-by-credit-quality-indicators-loans-type-and-year-of-origination-details982EF00A-8E40-4A2C-81C4-27F1031BCF16" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-loans-by-performance-status-details" name="statement-statement-note-5-loans-loans-by-performance-status-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-loans-by-performance-status-detailsB00584F9-8552-44F7-9A75-FC5D20F65DCC" name="statement-statement-note-5-loans-loans-by-performance-status-detailsB00584F9-8552-44F7-9A75-FC5D20F65DCC" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-loans-categorized-by-past-due-status-details" name="statement-statement-note-5-loans-loans-categorized-by-past-due-status-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-loans-categorized-by-past-due-status-details0CE22138-8A21-4306-B960-51BD809952BC" name="statement-statement-note-5-loans-loans-categorized-by-past-due-status-details0CE22138-8A21-4306-B960-51BD809952BC" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-summary-of-collateral-types-details" name="statement-statement-note-5-loans-summary-of-collateral-types-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
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  <xsd:element abstract="true" id="sfbs_statement-statement-note-5-loans-tables" name="statement-statement-note-5-loans-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-6-leases-lease-costs-details" name="statement-statement-note-6-leases-lease-costs-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-6-leases-maturities-of-operating-lease-liabilities-details" name="statement-statement-note-6-leases-maturities-of-operating-lease-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-6-leases-tables" name="statement-statement-note-6-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-7-employee-and-director-benefits-summary-of-restricted-stock-and-performance-shares-activity-details" name="statement-statement-note-7-employee-and-director-benefits-summary-of-restricted-stock-and-performance-shares-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-7-employee-and-director-benefits-summary-of-stock-option-activity-details" name="statement-statement-note-7-employee-and-director-benefits-summary-of-stock-option-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-7-employee-and-director-benefits-tables" name="statement-statement-note-7-employee-and-director-benefits-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-8-deposits-scheduled-maturities-of-time-deposits-details" name="statement-statement-note-8-deposits-scheduled-maturities-of-time-deposits-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-8-deposits-summary-of-deposits-details" name="statement-statement-note-8-deposits-summary-of-deposits-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sfbs_statement-statement-note-8-deposits-tables" name="statement-statement-note-8-deposits-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
