EVGA SuperNOVA 850 G2 220-G2-0850-XR 80+ GOLD 850W Fully Modular EVGA ECO Mode Includes FREE Power On Self Tester Power Supply Fans: 1 x 140mm Double Ball Bearing Fan Main Connector: 24Pin +12V Rails: Single PCI-Express Connector: 2 x 6-Pin, 4 x 6+2-Pin SATA Power Connector: 10 Efficiency: 90% (115VAC) / 92% (220VAC - 240VAC) Over Voltage Protection: Yes Input Voltage: 100 - 240 V