FSP Group Hydro G Series HG850 850W ATX12V / EPS12V SLI CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply Fans: 1 Main Connector: 24Pin PCI-Express Connector: 6 x 6+2-Pin SATA Power Connector: 12 Input Voltage: 100 - 240 V Input Frequency Range: 50/60 Hz Dimensions: 3.39 x 5.91 x 6.69 Weight: 3.97 lbs.