RackSolutions 3U Universal Rail 31in Depth is built to handle deep server racks, providing a reliable solution for mounting a variety of IT equipment. These universal rails can be adjusted to fit racks with depths from 11" to 39.5" (279 mm - 1003 mm), supporting up to 200 lbs (90.7 kgs) of equipment. Made from 18 GA steel, the rails are compatible with square, round, and threaded hole 4Post racks, making them an ideal alternative to OEM slide rails for Dell, HP, and IBM servers. The included wirebar enhances cable management, ensuring a clean and organized setup.