High Power For Power Users: 13 Power Supplies In The Spotlight

Increased Efficiency Saves Energy

A power supply’s efficiency is often underestimated. In the power supplies that we tested, the relationship of input to output varied, from 64% to 78% .

The Zalman ZM400A-APF offers very low noise levels.

The Fortron Source FSP400-60PFN had the best efficiency in the test.

The Antec True 480P had the best performance, with 484 Watts maximum output on the secondary side.