FRån SilentPCreview:
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ZALMAN:
"In the end, if the ZM600-HP is used in a system where the CPU fan, hard drives and/or graphics card are loud, then yes, you could call this PSU "ultra-quiet". If silence is your goal, there are several other PSUs even in this high power category that are better choices."
http://www.silentpcreview.com/article688-page1.html
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Corsair:
"The HX620W and HX520W deliver clean, ultra-stable power under a wide range of demanding conditions. They also happen to be about the quietest fan-cooled PSUs we've tested to date."
"Upon turn on, the PSU fan started at 3.84V... ...As the load increased, the fan voltage remain unchanged in our thermal test rig all the way to about 300W output load."
http://www.silentpcreview.com/article692-page1.html
Jag har själv ett Corsair och jag är grymt nöjd med det. Utöver det som jag citerade från SPCR så har nog aggen stabila spänningar. Nu har du lite läsning så att du kan vara säker på att du blir helnöjd.
MVH Simon!