DESIGNED FOR DEEP SERVER RACKS: Installs in racks with depths up to 39.5' (1003 mm) providing versatile mounting options COMPATIBLE WITH MAJOR BRANDS: Supports Dell HP and IBM equipment as an alternative to OEM slide rails ADJUSTABLE DEPTH: Accommodates mounting depths from 11' to 39.5' (279 mm - 1003 mm) for various equipment sizes ROBUST LOAD CAPACITY: Holds up to 200 lbs (90.7 kgs) of rackmount equipment securely WORKS WITH ANY 4POST RACK: Fits square round and threaded hole racks for universal compatibility