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koitsu
Premium,MVM
join:2002-07-16
Mountain View, CA
kudos:23
reply to Krisnatharok

Re: Overclocker.com Review: Rosewill Silent PSU

I'd love to get my hands on one of those solely to test the "totally silent, no whines/squeals" claim. ATITool (works on nVidia cards) "Show 3D View" is well-known for ramping up and down voltage on the GPU for whatever reason, causing most PSUs to emit audible noise (some refer to it as a "siren"). Here are some examples:

* http://www.youtube.com/watch?v=7Cu1c0N9zNs -- 00:20
* http://www.youtube.com/watch?v=C4d23F2jehQ

You can search Google for "ATITool noise" or "ATITool frequency" or "ATITool squeal" and find lots of results about this. Even my Corsair Professional Series Gold AX850 PSU does this, with a GTX 560Ti.
--
Making life hard for others since 1977.
I speak for myself and not my employer/affiliates of my employer.