The Definitive Guide toAI Data Centers
Ask the GuideAboutAccount
GuideGlossaryVoltage Regulator Module

Voltage Regulator Module · VRM

On-board converter delivering the precise low voltage a processor core requires from the board supply.

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 capturesas of 2025 · register ↗
~61–87.5% vs ~87%utility-to-VRM efficiency: legacy AC span (typical ~82%) vs the SST/800 VDC chainas of 2025 · register ↗
~87%end-to-end utility-to-VRM efficiency of the SST/800 VDC chain vs a typical ~82% AC path (best modern AC ~87.5%)as of 2025 · register ↗

← All terms