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% vs ~82% ACend-to-end electrical-chain efficiency, 800VDC/SST chain vs a typical AC path (utility-to-VRM) — a system gain only co-design captures
80.4–86.7% AC fixture (82.2% representative) vs ~87% DC resultstated four-stage AC fixture: 80.4–86.7% utility-to-VRM (82.2% representative); separately declared distribution losses excluded