SteelPower SERIES 80 PLUS® Bronze certified efficiency Fully modular cable management Half-bridge LLC converter with DC-to-DC technology Premium Japanese capacitors FDB 12cm fan TECHNICAL SPECIFICATIONS Model Steel Power Article no. BDK-550FC EAN code 0753263077417 Weight (without/with package) 1.62kg / 2.17kg AC input 100-240V / 8.0A Frequency 47 - 63Hz +5V 20.0A +3.3 V 20.0A +5 V & +3.3 V combined 100W +12 V1 45.5A +12V2 - +12V1, +12V2 combined 546W P.F. >0,9 -12 V 0,3A / 3,6W + 5VBS 2,5A / 12,5W Maximum Power 550W Connectors 20+4 PIN ATX 1 8 PIN EPS (4+4) 2 8 PIN PCIe (6+2) 2 SATA 6 MOLEX 3/1 Cable length (mm) 20+4 PIN ATX 650 8 PIN EPS (4+4) 600/150 8 PIN PCIe (6+2) 500/150 SATA 2x 500/150/150 MOLEX / FLOPPY 500/150/150/150 Features ATX12V Version ATX 12V 2.3 Efficiency 80 PLUS® Bronze Dimension (D x W x H) 140 x 150 x 86mm PFC Active PFC (0,9) Fan 120mm FDB silent fan Security AFC (Automatic Fan speed Control)OCP (Overcurrent protection)OPP (Overload protection)OTP (Over-temperature protection)OVP (Overvoltage protection)SCP (Short-circuit protection)SIP (Surge & Inrush Protection)UVP (Under Voltage protection) Warranty 60 Months .