MAG A550BNL Features: 120mm Fan Industrial level protection with OCP, OVP, OPP, SCP Active PFC Design Flat Cable Equipment Specifications: Efficiency Rating 80 PLUS Bronze (up to 85%) 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~ Power Watt 550W Input Frequency Range 50~60Hz Protection OCP, OVP, OPP, SCP ATX (24 pin) 1 EPS (4+4 pin) 1 PCI-E (6+2 pin) 2 SATA (15 pin) 5 MOLEX (4 pin) 2 FDD (4 pin) 1