Cooler Master eXtreme Power Plus 390W. Nominal power: 390W, Hold time: 17 ms, Efficiency: 70%. Rise time: 500 ms, Mean time between failures (MTBF): 100000h. Colour of product: Grey. Safety: Nemko / TUV / cUL / CE / BSMI / FCC / C-tick / CCC. Dimensions (WxDxH): 150 x 86 x 140 mm