StarTech 4POSTRACKBK 42U Adjustable 4 Post Open Server Equipment Rack Cabinet Type: 4 Post Open Frame Rack Color: Black Weight Capacity: 994.5 lbs. [450 kg] Unit Dimension: Internal Width: 18.3 in [466 mm] Internal Height: 73.6 in [1870 mm] External Width: 22.5 in [571 mm] External Height: 78 in [1980 mm] External Depth: 31.5 in [800 mm] Maximum Mounting Depth: 31.5 in [800.1 mm] Minimum Mounting Depth: 23.5 in [596.9 mm] Unit Weight: 105.0 lbs.