VRM · Voltage Regulator Module
Power-electronics stage that steps board voltage down to the low voltage a GPU or CPU core actually needs.
On-board converter delivering the precise low voltage a processor core requires from the board supply.
Also written as: Voltage Regulator Module
Current numbers
~87%SemiAnalysis’s modeled utility-to-VRM efficiency for an SST/800 VDC chain; Chapter 4.1 assumes the AC chain separately