Model P550BType Intel Form Factor ATX 12V v2.31PFC Active PFC(>0.9 typical)Input Voltage 100-240 Vac(full range)Input Current 8-4 AInput Frequency 60-50 HzOutput Capacity 550WDimension 150 x 140 x 86 mmFan Type 120mm Hydraulic Bearing (HYB) Fan80 PLUS BronzeEfficiency 85% at typical loadMTBF >100,000 hoursProtection OVP/OPP/SCP/UVP/OCP/OTPPower Good Signal 100-500msHold Up Time >16msCable Type Flat, All blackConnectors:- ATX/MB 20+4 Pin x 1 : 550mm*1- CPU/EPS 4+4 Pin x 1 : 600mm*1- PCI-e 6+2 Pin x 2 : 550mm+150mm*1- SATA x 6 : 500mm+120mm+120mm*2