6U Wall Mount Server Cabinet IT Network Rack Enclosure Locking Door Black, No Assembly Required. Size:11.8″ H x 21.7″ W x 17.7 D. Total Usable Space of 13.5 front to back. High Security: The durable locked door prevents critical IT equipment from damage, theft and unauthorized access. Wall mount rack enclosure server cabinet is ideal for use in public places such as offices, computer room, etc. Effectively protecting the security of your devices. Easy to Use: Our cabinet is in one piece, no assembly required. Save your time and effort. One Piece Design: Adopted Cold Rolled Steel, our 6U network cabinet can withstand a maximum weight of 110lbs, which can meet your daily need. Fast Heat Dissipation: The server cabinet is designed with vents to optimize airflow and avoid critical IT equipment overheating. Heat sink holes in the front, top, and side panels are more conducive to heat dissipation. Top holes of cabinet is reserved for installing 120MM size fan.