Supermicro SuperChassis 846E2-R900B, Black. Power supply: 900 W. Width: 437 mm, Depth: 660 mm, Height: 178 mm. Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 8 - 90 %. Power supply type: Redundant, Ventilation fan(s): 5x 5000 RPM, Main board size: 347.5 x 330.2 mm (13.68 x 13 ")