ORv3 High Power Rack (HPR) Ecosystem Solution.pdf

1、Major rack&power upgrades to the ORV3 ecosystem to support the needs of upcoming AI platformsORv3 High Power Rack(HPR)Ecosystem SolutionGlenn Charest,Mechanical Design Engineer,MetaRich Banyard,Mechanical Engineer,RittalDmitriy Shapiro,Mechanical Design Engineer,MetaDavid Sun,Power Engineer,MetaORv3

2、 High Power Rack(HPR)Ecosystem SolutionPOWER AND COOLINGRACK&POWERORv3 was originally designed to support 18-36kW of power.With AI driving increasing power requirements,a new iteration called HPR(High Power Rack)is being designed at Meta in conjunction with rack,power,and cable partnersOverviewORv3O

3、Rv3 HPRRack Depth42”48”Busbar Capacity18kW+92kW+PSU Shelf18kW(6*3kW PSUs)33kW(6*5.5kW PSUs)BBU Shelf18kW(6*3kW BBUs,90sec)33kW(6*5.5kW BBUs,90 sec)Grounding PathORv3 StandardImproved to avoid overcurrentPSU/BBU Shelves/Rack2/Rack3/Rack+AC WHIPs/PSU ShelfNA:2x 20A,12AWG Wire,L22-20PEU:1x 32A,4mm2 Wir

4、e,IEC309NA:2x 30A,8AWG Wire,L22-30PEU:2x 32A,4mm2 Wire,IEC309Blind Mate ManifoldCompatibleCompatible w/room for expansionLeverages existing ORv3 rack with additional extension frame and deeper busbarExtension frame allows mounting of all ORv3 accessory kits(doors,etc)Up to 6x AC WHIPs can be routed

5、through side of extension frameModular cross braces to ensure busbar&frame rigidityORv3 HPR RackExtension Frame*Busbar*Colors shown for differentiation.Actual components are powder coated black Modular Braces*Mounting LocationsRack Rear ViewNew ORv3 HPR-specific TORC/BORC(Top/Bottom of Rack Containm

6、ent)kits to seal off airflow between hot and cold aisle in data center.Same blind mate manifold mounting locations as ORv3,but extension frame now provides protection for potential deeper manifoldsORv3 HPR RackBORCTORCManifold MountingManifold MountingFrame ballasts to offset increased busbar&extens