Does PSU fan stay ON in Sleep mode?

souvik145

Distinguished
Apr 25, 2011
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18,510
Hi :)

I have a desktop PC with Windows 7 64 bit installed. I put my PC to sleep very often for long duration, so there's something I really need to know.

Does the PSU fan keep on spinning (stay ON) when it is in Sleep mode? I ask this because if it does, then it may collect dust and dirt & it might be of concern to me.

FYI, my PSU is the SeaSonic S12II 620W

Thanks!