Some PSU-related advice please.
So, I've discovered that the noisiest component of my PC wasn't my GPU as I thought, but my PSU, an XFX PRO650W Core Edition. With the case's fans managed on the bios, it's by far much noisier than the CPU or GPU while under load. Specifically, while playing AssCreed 4 and Crysis 3. On idle it's fine.
Is this just the way it is with power supplies of this wattage? It's not completely unbearable (now that I've adjusted the HAF 922's fans manually), but it's definitely annoying and otherwise I think my system would be moderately quiet. Is it just this model? Or am I just screwed? Five minutes into playing C3 and it starts revving up. Anything I can do on my end? My case just sits on carpet. Would "lifting it up" help at all in this regard? Or is my only choice another PSU? If so, any easy-to-find-worldwide recommendations? Quietness is my priority. I have a stock 4670k and a 280X, nothing fancy. Because I don't think I'll be able to endure this indefinitely. If another brand of PSU is the case, I can only hope my shop will accept to take it back on grounds that it's "too fucking noisy under load".