I have a xigmatec nrp -vc503 switching power supply 500w and I'm running a fx 6200 no oc and a xfx 6950 2gb with a slight oc .also I am wanting to upgrade because I'm planning to get 3 monitors and im not sure if the 6950 can handle bf3 at medium at that resoloution and get solid 50-60 fps.