StarTech.com WattSmart 750W EPS12V Ver 2.91 80 PLUS Power Supply. Nominal power: 750 W, AC input voltage: 115 - 230 V, AC input frequency: 50 - 60 Hz. Weight: 2950 g. Mean time between failures (MTBF): 100000 h. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -20 - 80 °C. Package weight: 3350 g