DURABILITY: Constructed to EIA-310 19in rack standards, the wall mount data rack features a solid steel design for ultimate durability. Max weight loading capacity: 125 pounds. PRODUCT SIZE: W 19.29" x D 7.56" x H 5.9", 4U Spaces; The mounting holes on the wall rack mount are 18.11 inches (46 cm) center to center for greater stability, and mounting to standard wall studs NO ASSEMBLY REQUIRED: For added convenience, this wall mount patch panel bracket arrives fully assembled with cage screws and nuts for mounting equipment. EASY TO CARRY: this rack is foldable during shipping at less volume, lower freight charge, smaller packaging. Easy to carry. VERSATILE FUNCTIONALITY: This multi-use patch panel mounting bracket enables you to mount your server or networking equipment vertically on a wall or horizontally under a desk for added versatility