EVGA SuperNOVA 1050 GS 220-GS-1050-V1 80+ GOLD 1050W Fully Modular EVGA ECO Mode Includes FREE Power On Self Tester Power Supply Fans: 135mm Teflon Nano-Steel Bearing Main Connector: 24Pin +12V Rails: Single PCI-Express Connector: 10 x 6+2-Pin SATA Power Connector: 16 Efficiency: 90% (115VAC) / 92% (220VAC~240VAC) or Higher Typical Over Voltage Protection: Yes Overload Protection: Yes