TOPOWER Nano Series TOP-650PM 650W ATX12V v2.3 Power Supply Fans: 1 x 140mm long life Nano bearing fan Main Connector: 20+4Pin +12V Rails: 2 PCI-Express Connector: 1 x 6-Pin, 1 x 6+2-Pin SATA Power Connector: 4 Over Voltage Protection: Yes Input Voltage: 115 / 230 V Input Frequency Range: 50/60 Hz