Our 1U Medium Duty Sliding Rack Shelf can rackmount equipment weighting up to 95 lbs, making it an excellent solution for mounting large equipment and servers. The slides for the shelf use high quality ball bearings that assure easy access to equipment mounted in your server rack. The 1U Medium Duty Sliding Server Rack Shelf only fits 4 Post racks with square, round, or threaded holes. This shelf also includes a cable management arm, making it easy to professionally route your cables to the back of the server. This shelf has a usable width of 22" making it more suitable for shallow equipment.