請參閱LSI狼 :海韻金牌G系列550W模組化電源供應器簡介及測試

我買了金牌G-360 [我不需大功率, 我要安靜= silent pc]
idle 閒置時,你可以在距離10cm 聽到輕微的聲，比CPU風扇,HD安靜

http://www.silentpcreview.com/Seasonic_G360
quote "a default fan level that makes even Seasonic's earlier 300~400W models seem noisy."