Max. DC Output 1200W PFC Active PFC Efficiency 80 PLUS Gold Modular Yes (Fully-Modular) Intel Haswell Ready Yes Operating Temperature 0 - 40C Protections Over Voltage, Under Voltage, Over Power, Short Circuit Cooling 135mm Double Ball-Bearing Fan (RL4Z B1352512HH) Semi-Passive operation No Dimensions 3.39" x 5.91" x 7.09" (WxHxD) Weight 2.0 kg (3.97lb) Form Factor ATX12V v2.31, EPS