MAG A550BN Features: 80 Plus Bronze certified for high efficiency 120mm Low Noise Fan Industrial level protection with OVP,OCP,OPP,OTP, SCP DC-DC Circuit Design Active PFC design Specifications: GENERAL Product Name MAG A550BN PSU Form Factor ATX Power Watt 550W Input Voltage 100-240Vac Input Current 115Vac/8.0A max. 230Vac/4.0A max. Input Frequency 50Hz ~ 60Hz Efficiency Up to 85% (80 Plus Bronze) Fan Size 120 mm Dimension 150mm x140mm x86mm PFC Type Active PFC Protection OCP / OVP / OPP / OTP / SCP CONNECTOR ATX(20+4 PIN) 1x EPS(4+4 PIN) 1x PCI-E(6+2 PIN) 2x SATA 5x MOLEX(PERIPHERAL) 2x FDD 1x AC/DC AC Input 100-240V~, 8-4A, 50-60Hz DC Output +5V 20A +3.3V 20A +12V 45.5A (546W) -12V 0.3A +5Vsb 2.5A Total Power 550W