Corsair CMPSU-800G. Nominal power: 800 W, Efficiency: 80 %, Power protection features: Over current, Over power, Over voltage, Short circuit, Under voltage. Fan diameter: 140 mm. Mean time between failures (MTBF): 100000 h. Safety: UL, CUL, CE, CB, FCC Class B, TÜV, CCC, C-tick, Certification: 80 Plus