Thermaltake ToughPower 650W. Nominal power: 650 W, AC input voltage: 115 - 230 V, Input current: 8 A. Noise level: 17 dB. Weight: 2.04 kg. Mean time between failures (MTBF): 120000 h. Operating temperature range (T-T): 10 - 50 °C, Storage temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 20 - 90 %