Premium smart rack extra depth enclosure cabinet 12u of rack space 1 000 lb load capacity simple installation compatible with all standard 19 inch rack equipment and is designed to simplify equipment installation it features front and rear pairs of vertical rails with square mounting holes the rails are adjustable in quarter inch increments to accommodate equipment depths from 3 to 32 5 inches the rails feature square mounting holes and are capable of supporting up to 1 000 lbs of equi