Quiet ATX 650 Watt Dual 12V ATX Power SATA PCI Express for INTEL AMD i5 i7 FX X4 X3 X2 Fans: 1 Input Voltage: 115 / 230 V Input Frequency Range: 50/60 Hz MTBF: 100,000 Hours on Maximum Load at +25°C Dimensions: 5.9 W x 3.4 H x 5.5 D Inch fit ATX / PS2 form factor casing.