The wall mount rack provides 1U or 2U of usable rack space anywhere it's needed. The wall mount rack can be used to mount equipment horizontally or vertically. It allows 1U or 2U tall, 19" rack mount equipment to be mounted to a wall, under a desk or stacked on a desk or table.The wallmount rack is compatible with most OEM slide rails: Dell, HP, IBM, Apple, Sun, Intel, Cisco, Juniper and 3Com. This rack is compatible with round hole, threaded hole and square hole equipment and slides. The wall mount server rack supports equipment up to 30" deep, including slide rails and cable management. The cover protects the unit while allowing for proper ventilation. Airflow and cooling are handled with front and rear airspace openings above and below the server and louvers on each side. Wall mount hardware is included. Extra 1U and 2U brackets are sold separately for mounting additional, network equipment.