Thermaltake Toughpower Grand 750W. Nominal power: 750 W, Peak power: 850 W, AC input voltage: 100 - 240 V. Noise level: 30.14 dB. Mean time between failures (MTBF): 120000 h. Certification: CE TUV FCC UL CUL GOST BSMI 80Plus gold. Operating temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 10 - 50 %, Operating altitude: 20 - 90 m