Antec 400 Watt ATX12V v2.0 PSU. Nominal power: 400 W. Connector(s): 3-pin Fan Sensor. Weight: 2300 g. Mean time between failures (MTBF): 80000 h. Safety: UL, TUV, CB, FCC CLASS B, CUL, Electromagnetic compatibility: FCC Class B, CISPR22 Class