(I made a thread asking about fan noise, but I actually stopped each case, CPU and GPU fan, and the noisy fan didn't stop (in fact they're all very quiet). So it must be the PSU all along. It's coming from that area.) My PC gets a bit noisy under load now. That or I only just started noticing it. But understandable as games need more as time goes on. The PSU is a 750W Seasonic EVO 80, and I got it 4 years ago. I made sure to get a good PSU, and new, so at the time it was tier 2. (If it wasn't, then it was tier 1!) I'm also using a Zotac 780 AMP! and an overclocked 2500K, so 750W is plenty. So do I just need a new PSU? Or have I only just noticed it being a bit noisy now?