Antec TruePower Trio 650 GB 650 Watt PSU. Nominal power: 650 W. Weight: 2.3 kg. Mean time between failures (MTBF): 80000 h. Safety: UL, CUL, FCC Class B, CB, TÜV, Certification: FCC Class B CISPR22 Class. Operating temperature range (T-T): 0 - 50 °C