PSU · Power Supply Unit
The component that converts incoming AC or DC into the regulated voltages a server or GPU node consumes.
Current numbers
Base 10 days; stress 20 daysCommodity PSU delivery interval: base and stress assumptions; separate from demand-observation exposure
~400 J/GPUpower-shelf PSU capacitor energy targeted for Vera Rubin closed-loop smoothing
65 J/GPUenergy storage integrated in GB300 NVL72 power shelves; ~half the PSU volume is capacitance