Made for 4Post racksFits square, round, threaded holesMounting depth range 11 - 30" (279 - 762 mm)Sliding shelf for desktops, workstationsDell, HP, IBM compatible45 lbs (21 kgs) capacitySupports items up to 20" (508 mm) deep, 17.7" (450 mm) wideShelf extends 22.5" (572 mm)(CMA) Cable management arm included (1USHL-112 only)Secure PC with included anti-slip mat and strapFeatures The RackSolutions Sliding Computer Shelf lets users install a desktop PC on a server rack with a sliding shelf for easy accessibility and storage. The Sliding Computer Shelf is designed for compatibility with most standard 19" EIA standard server racks, making it an ideal solution for those trying to mount PCs close to servers, but needing an efficient, space-saving way to do so. The 17.7" wide shelf stretches to a depth of 20" (508 mm), letting it support most desktop PCs with plenty of room for space. It also comes equipped with a non-slip mat and strap to keep the device in place while the shelf is slid for use. All of this meets with the shelf''s 22.5" (572 mm) extension range to create a storage solution that can meet a diverse range of needs. While such advanced features as seismic and transport options are available to meet specialized deployment needs, the shelf does come with a cable management arm by default. This gives users the ability to professionally route cables from the device to maintain airflow and maximize troubleshooting efficiency.