1RackgoX(OCP-OpenRack)RackgoM(OCP-OCS)Rackgo2.0(Scorpio)ThreeCompletelyDifferentRackArchitecturesRackgoX(OCP)TotalRackSolutionInspiredbyOpenComputeProjectDesignforLowCAPEX&OPEXSimplicity,HighServiceabilityScalability&ManageabilityStorageComputeOfferingsfromQuanta3SwitchesBatteryRackgoM(OpenCloudServer)MicrosoftOCSwascontributedtoOpenRackSpecification19”width,12UperChassisCentralizedpower&coolingLeverageexistingPSU&PDU5RackgoM(OpenCloudServer)Overview61UTray(TwoSleds)FrontSideRearSideComputeSledComputeSledTrayBackplane1UTrayRearviewSledOptionsRackgoM(OpenCloudServer)7ComputeStorage8RackgoM(OpenCloudServer)SledCombinationsRackgoM(OpenCloudServer)9Rackgo1.0/2.0Quanta’sapproachtoScorpio2.0spec21”widthRack1UsleddesignforflexibilityCentralizedPower&FanSledOptionsHalf-WidthComputingSled111Half-WidthComputingSled2Half-WidthComputingSled3Rackgo2.0(Scorpio)Full-WidthComputingSled4SledOptionsFull-WidthJBODSled•ExpanderConnection:−5xminiSASConn.(17ports)tointernalHDD.−2xexternalSASConn.(8ports)touplinkstoragecontroller.12SledOptionsRackgo2.0(Scorpio)13RackgoX(OCP)RackgoM(OCS)Rackgo2.0(Scorpio)NewRackForm-FactorsComparison14(OpenRacj)RackgoM(OCS)Rackgo2.0Inner-Width21”19”21”RackHeight2100mm(41OU)48-52U2100mm(44U)RackDepth1066mm1169mm1200mmOU/RUOU(48mm)RU(44.45mm)44.85mmCoolingFANOnsystem(HS/Fixed)FanWall(HS@6)FanWall(HS@1)FanSize60mm140mm140mmBusBar3-pairNA1-pairPowerZone/Budget2,25KW(5+1)4,28KW(5+1)1,12KW(5+5)P/SOccupancyspace3OU0U3UPowerShelfFrontRearFrontRack,BatteryYesNo(TBD)YesRackManagementControllerYes(OpenRack:No)YesYesMid-plane(I2C)NoYes(perchassis)YesCableManagementFrontRearFrontColdAisleServiceYes(exceptFAN)NoYes(exceptFAN)