ORV3 · Open Rack V3
The Open Compute Project's third-generation rack standard, defining power, busbar and form-factor for open hardware.
Current numbers
<2 msORV3 BBU ramp to full power on 48.5 V busbar droop; busbar held ≥46 V; PSU ≥97.5% (30–100% load)
33 kWOCP ORV3 HPR power shelf output (6×~5.5 kW rectifiers; ~27.5 kW at N+1) onto the 48V busbar
33 kWper ORV3 48 V power shelf (~660 A); 6–8 shelves per GB200-class rack; PSU ≥97.5% efficient