Specification : Product Name MAG A500DN Form Factor ATX Rated Wattage 500W Efficiency Rating 80 PLUS Standard (up to 80%) Modular No Fan Size 120 mm Fan Bearing Hydro Bearing Dimensions (DxWxH) 150mm x 140mm x 86mm / 5.91 x 5.51 x 3.39 inches PFC Type Active PFC Input Voltage Range 110-240~ Input Frequency Range 50~60Hz Protection OCP,OVP,OPP,OTP, SCP,UVP