SILVERSTONE ST1500 1500W ATX 12V 2.3 & EPS 12V SLI Ready 80 PLUS SILVER Certified Active PFC Full Modular Power Supply Fans: 135mm Silent fan Main Connector: 20+4Pin +12V Rails: 8 PCI-Express Connector: 4 x 8pin, 4 x 6pin SATA Power Connector: 12 Efficiency: 85%~88% at 20%~100% loading Over Voltage Protection: Yes Input Voltage: 90 - 264 V