ORW框架规格提案.pdf

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1、Richard Banyard,Rittal CSMDarryl Daniel,Meta Platforms IncORW Frame Specification ProposalORW Frame Specification ProposalRichard Banyard,Rittal CSMDarryl Daniel,Meta Platforms IncRACK&POWEROverviewKey SpecsRack FeaturesDesign ChallengesScheduleCall to ActionAGENDADouble-width,large form factor rack

2、 frame based on ORv3 HPR feature setDeveloped for next generation AI platforms with larger mass and physical footprint to support multi-generation platformsHigher overall power capacity using liquid cooled busbar(700 kW+)with adjacent power rackOverviewOverviewFeatureORv3 HPRORWMax gear payload(kg)1

3、4003500Width6001200Height22862386Depth12191219Tool-less rack railsYesYes(new)Cable management(front/rear)Yes(modular)Yes(fixed)Movable Horizontal Frame supportsYesYes(new)48V SupportYesYesPower Shelves in any rack slotYesYesSingle power zoneYesYesOU+RU Gear supportYesYesGear Qty.Supported44OU/47RU44

4、OU/47RUTop lift pointsNoYesORv3 HPRORWOption 1-ORV3 legacyRack input:277V AC InputLeveraged PSU from ORv3 HPR(33 kW,72 kW)with adapter trayPower shelf in rack delivers 48v to liquid cooled rack busbarOverview-power architecture flexibilityOption 2-LVDC(48V)side power rackRack input:48V DC input thro

5、ugh horizontal busbars to HPR side rackLiquid cooled rack busbar delivers 48V to traysOverview-power architecture flexibilityORW Horizontal BusbarOption 3-HVDC side power rack with 48V liquid cooled busbar50kW power transfer cables from HVDC side power rackRack input:400V DC inputPower shelf in rack

6、 converts 400V to 48VLiquid cooled rack busbar delivers 48V to traysOverview-power architecture flexibilityOption 4-Native HVDC rack busbar Power transfer from HVDC rack(method TBD)Rack input:400V DC inputJunction box to bring in native HVDC and output to busbarNative 400VDC distributed through busb