Sparkle Technology SPI2501UH. Nominal power: 250 W, AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Width: 100 mm, Depth: 190 mm, Height: 40.5 mm. Mean time between failures (MTBF): 100000 h. 80 PLUS certification: 80 PLUS, Certification: FCC, UL, CUL, TU, VDE, EMC, FCC, CE, CB. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -20 - 80 °C, Operating relative humidity range: 5 - 90 %