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Power supply making a little noise, is this normal ?

Last response: in Components
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November 9, 2012 8:33:47 PM

Hello all once again !

I've noticed that my PSU wich is a Cooler Master GX 750W, is making a little bit of noise, sort of electric noise, when im using my computer and even if it's closed.

Is this normal ?

I can't find much info on this at all on the internet, thank you very much for your help


Good day



i7 2600k @ 4,5 Ghz
Asus GTX 680
Agility 3 120 Gb SSD
Asus p8z68-v pro gen 3
Noctua NH-U12P heatsink
CM GX 750W
Samsung 23' SA700 3D LED

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November 9, 2012 8:39:21 PM

My Fatal1ty does the same, yes it is normal.
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November 9, 2012 8:45:56 PM

Could be "coil whine".

It's sort of common, and doesn't hurt anything, but it kind of defeats the purpose of having a quite fan on the PSU.
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November 9, 2012 8:53:11 PM

I just checked coil whine, and that is really not what it does, it's more like a subtle electric sound
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November 15, 2012 11:21:54 PM

Best answer selected by bjsm.
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