This 45U audio video server rack cabinet is designed to organize your various kinds of audio video equipment. Specifications: Standard 19" rack mount installation Preinstalled: 2x 1U 15"shelves, 4x2U 18" shelves, 3x3U 18" shelves durable cantilevers and 2x3U panel 3x 2U panel 2x1U panel Glass front door with lock, removable rear (with lock) and side doors Vented top and bottom for air flow Full steel construction with 4 heavy duty casters Physical Size: W23.5" X H81.5"(including casters) X D23.5"(600MM) Notes: Item shipped fully assembled on a pallet with professional packaging via LTL trucking For residential delivery, No manual, cords/cables, or additional items are included if not listed or shown.