Saves Valuable Workspace Perfect for network wiring closets, retail locations, classrooms, back offices and other areas with limited floor space where you need equipment to be secure, organized and out of the way Houses EIA-standard 19 in. Rack equipment in 18U of space Maximum load capacity of 250 lb. Apart for standard wall stud placement Vertical mounting rails adjust in 7/8 in. Increments to accommodate equipment up to 24.5 in. 35.61″ x 23.50″ x 25.98. 40.95″ x 26.77″ x 27.56.