Supermicro 216E16-R1200UB. Power supply: 1200 W. Width: 437 mm, Depth: 630 mm, Height: 89 mm. Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 8 - 90 %. Certification: 80+, UL, CUL, TUV, CCC. Power supply type: AC - DC, Ventilation fan(s): 3 x 80mm, 6300RPM, External drive bays: 24 x 2.5"