PSU Buzzing During Games

Lividicus316

Honorable
Oct 1, 2013
1
0
10,510
I've been building a computer for the last year. Just yesterday I got myself 2 New EVGA 650ti Video Cards. I replaced my older Radeon 6670 with them and powered up just fine. When I open Hawken or any other game I immediately being hearing a "Buzzing" Noise. I initially thought it was one of the two Geforce 650's, however, this morning I took one out and the buzzing continued. Upon further inspection (having my wife put her head in my tower to hear the sounds origins) I found the buzzing is actually coming from the PSU. Any Help Guys? My assumption is that my PSU is in need of replacement. Here are my specs:

Gigabyte-990FX-UD3
AMD FX8350 Black Edition
32 GB G.Skill RAM
2 GeForce 650Ti Boost
APEX 680W Power Supply