I just upgraded my WHS box from an E3300 CPU overclocked @ 3.35Ghz to C2Q Q6600 CPU overclocked 3.1Ghz to improve encoding performance. I have no video card, it is onboard G31. With 4 drives at idle it uses 83W. At full load it is 184W. I have a Corsair 400W builders edition PSU, several...