Supermicro SuperChassis 813TQ-520B (Black). Width: 437 mm, Depth: 650 mm, Height: 43 mm. Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 8 - 90 %. Main board size: 304.8 x 330.2 mm (12 x 13 "), Supported hard disk drive interfaces: 4x 3.5" SAS / SATA