CORSAIR CS-M Series CS550M 550W 80 PLUS GOLD Active PFC Haswell Ready ATX12V & EPS12V Modular Power Supply Fans: 1 x 120mm Sleeve Bearing Fan Main Connector: 20+4Pin PCI-Express Connector: 2 x 6+2-Pin SATA Power Connector: 6 Efficiency: > 90% Input Voltage: 100 - 240 V Input Frequency Range: 47 - 63 Hz Input Current: 10 - 5 A