SeaSonic S12G S12G-550 550W ATX12V / EPS12V 80 PLUS GOLD Certified Active PFC Power Supply Fans: 1 Main Connector: 20+4Pin +12V Rails: Single PCI-Express Connector: 2 x 6+2-Pin SATA Power Connector: 8 Over Voltage Protection: Yes Input Voltage: 100 - 240 V Input Frequency Range: 50/60 Hz