Arista Networks：AI以太网布局稳固，但增长已部分反映在估值中

StrongAIEthernetPositioning,butGrowthIsLargelyReflectedinValuation:Initiation InvestmentFocus WeinitiatecoverageonAristaNetworkswithaNeutralratingandaUS$181targetprice.AristaiswellpositionedtobenefitfromcontinuedinvestmentincloudandAI networkinginfrastructure.Traditionalcloudnetworkingprovidesa durable revenue base,while AI Ethernet has become thecompany’s primary incremental growth driver as hyperscalers and AIinfrastructureprovidersdeploylargeracceleratorclusters. Thecurrentgrowthcycleisprimarilysupportedbythemigrationtoward800GEthernetinAIscale-outandscale-acrossnetworks.Beyondthiscycle,Arista’s1.6Tportfolioandliquid-cooledsystemscouldexpanditsaddressablemarketintorack-scaleandEthernet-basedscale-upnetworking.WebelieveArista’s competitive position is supported by its combination of high-performanceswitchingplatforms,EOSsoftwareandextensivedeploymentexperiencewithlargecloudcustomers.Earlycustomervalidationofitsnext-generationproducts also supports the potential for broader adoption,althoughthetimingandscaleofrack-scaledeploymentsremainuncertain. OurforecastsassumetotalrevenuereachesapproximatelyUS$29.6bnbyFY2030.Weexpectgrossmargintoremainbroadlystable,whilerevenuegrowthand disciplined expense management support further operatingleverageandcashgeneration.However,ourbasecasealreadyincorporatescontinuedAIEthernetexpansion,successful800Gexecutionandameasuredcontributionfrom1.6Tandrack-scaleproducts. Valuation&recommendation OurUS$181targetpriceisbasedonaDCFvaluationusinga10.43%WACCanda4.25%terminalgrowthrate.WeremainpositiveonArista’slong-termpositioningincloudandAInetworking,supportedbyincreasingEthernetadoption,stable profitability and strong cash generation.However,webelievethecurrentvaluationalreadyreflectsasignificantportionofthecompany’smedium-termgrowthopportunities.Furtherupsidecoulddependonfaster-than-expected1.6Tadoption,broaderparticipationinEthernet-basedscale-upnetworksorstrongermarket-sharegains.WithlimitedupsidetoourDCF-basedtargetprice,weinitiatecoveragewithaNeutralrating. Risks SlowdowninhyperscalercloudandAIinfrastructurespending;slower-than-expectedadoptionofEthernetinAInetworks;increasingcompetitionfromproprietary,incumbent and white-box networking alternatives;highcustomerconcentration;delaysin800G,1.6Tandrack-scaledeployments;andsupply-chainorcomponentconstraintsthatcouldaffectrevenuegrowthandprofitability. Contents 1.Arista:ProductPortfolio,RevenueModelandCustomerBase..............................31.1ProductPortfolioandRevenueModel..................................................................31.2CustomerStructureandBusinessCharacteristics.................................................52.CloudNetworkingRemainstheCoreRevenueBase.............................................72.1CloudInfrastructureExpansionSupportstheCoreBusiness................................72.2CampusProvideAdditionalDiversification............................................................93.AIEthernetDrivestheNextGrowthCycle..........................................................103.1800GDrivesNear-TermAIFabricGrowth...........................................................103.2EthernetExpandsinScale-OutandScale-Across.................................................113.31.6TExtendsAristaintoRack-ScaleNetworking.................................................124.ProductExecutionandCustomerValidationSupportCompetitivePositioning....134.1EOSImprovesNetworkEfficiencyandReliability................................................134.2IndustryCollaborationandPublicCustomerEndorsementsSupportAdoptionPotential.....................................................................................................................145.FinancialOutlookandRevenueVisibility...........................................................165.1AINetworkingDrivesRevenueMixExpansion....................................................165.2StableGrossMarginSupportsEarningsQuality..................................................165.3OperatingLeverageSupportsEarningsandCashFlow.......................................176.ValuationandNeutralRecommendation...........................................................187.Risks.................................................................................................................20 1.Arista:ProductPortfolio,RevenueModelandCustomerBase AristaNetworks provides high-performance networking platforms for cloud datacenters,AI infrastructure,enterprise campuses and wide-area networks.Thecompany’s portfolio combines Ethernet switching and routing hardware with itsExtensibleOperatingSystem(EOS),CloudVisionmanagementplatformandA-Caresupportservices.WhileAristabuiltitsinitialpositioninlarge-scaleclouddatacenterswitching,itsaddressablemarkethasexpandedintoAIEthernetfabrics,enterprisenetworking,campusswitching,Wi-Fi,routingandnetworksecurity. Arista’sbusinessmodelisprimarilyproduct-led,withservicerevenueprovidingagrowingsourceofrecurringincomeandgreaterrevenuevisibility.In1Q26,totalrevenu