Racks: Type - Four Post Equipment Rack; Width - Usable - 20.00 in; Capacity - Rack Units - 45U; Height - Imperial - 84.00 in; Height - Metric - 2134 mm; Frame Material - Steel; Rack Mounting Holes - Front; Base WxD - Imperial - 23.00 x 30.00"; Base WxD - Metric - 591 x 762 mm; Color - Black