SILVERSTONE ST1000-P 1000W ATX 12V v2.3 & EPS 12V 80 PLUS SILVER Certified Modular Active PFC Power Supply Fans: 1 x Silent 135mm fan Main Connector: 24Pin +12V Rails: Single SATA Power Connector: 6 Efficiency: 85%~88% Over Voltage Protection: Yes Input Voltage: 90 - 264 V Input Frequency Range: 47 - 63 Hz