Freedom Rack Plus is the flexible choice for secure rooms: a rack you can adjust to hold different equipment sizes. Four-post, open design eliminates ventilation worries and provides access to all sides of equipment. The 20.25" wide rack holds 19" wide servers, panels, and other components. Adjustable shelves ensure your equipment fits. Uprights, and top and bottom angles are constructed of lightweight 6063-T6 alloy extruded aluminum, so setup or relocation isn't a back-breaking job. Predrilled mounting holes at the base enable you to anchor the rack to the floor for a safe and secure installation. Adjust the depth for specific types of equipment. Depth is adjustable in 1" increments from 17.72" to 41.34".