PSU buzzing - not coil whine - lots of RMA's , no other clue

Tomtom93

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Aug 25, 2015
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Hi guys,

So i recently finished my new gaming build, not without problems but i finally can see an end of it hopefully. At first my corsair cx750m exploded, so I rma it and got a new one of the same model.
What's more for all this time I was facing a problem with a strange buzzing sound (not coil whine - more like electricity flowing). It happens only when i play a game (any game) or for example in photoshop when I select more than one element and resize it or move, but on benchmarks it remains quiet.
Anyway i decided to rma the gpu - asus gtx 970 strix and so i got a new one but the problem remains.

I have no other clue what can be causing this. Basically i have a new psu and gpu but the problem remains. So I spoke to my vendor and I will rma the psu again, pay additional cash and get a totally different psu - bequiet 750 power zone. What do you think about this? I have seen some good opinions on that psu. You think this will solve the problem?
I'm kinda desperate now so I will apreciate any help.
Here's a link to a sample of the sound from my google drive. http://
 

Tomtom93

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Aug 25, 2015
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I have an asus Maximus VII ranger rog mobo, so it shouldn't have such problems, but who knows. I will try to rma it later, for now let's try to change the psu.
ModernWarfare, I'm from Poland so using amazon it's not a good deal for me, also I bought all the parts in another shop so I would like to stick with them.
Here's the link to the psu's they sell, maybe you could take a look and see what would be good from their offer. Here's the link - http://www.x-kom.pl/g-5/c/158-zasilacze-komputerowe.html?page=3
 

Tomtom93

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Aug 25, 2015
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Thanks again ModernWarfare, so I'll stick with the bequiet then and we will see what happens.
InvalidError, did as you said, probably is the psu as It can be heared the most from.. like the rear of the case, where the air from the psu is coming out, but I'm not 100% on that
 

Tomtom93

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Aug 25, 2015
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Just a quick update. I Finally get a new psu - Bequiet 750 power zone. The problem with buzzing or whatever it was is totally gone now. Thanks everyone.
I also run across a few posts that mentioned that corsair cx 750 tend sometimes to have this problem or just be loud, so maybe it's better to choose another model.