Features. Save space by mounting your equipment on the wall. 12U Rack Network Rack Wall Mount Rack - 12 in. Depth. Apart to match standard wall studs. Perfect for smaller spaces. It easy to assemble and features mounting holes that are spaced 16 in.. Apart, making it suitable for mounting on almost any wall, based on common wall-frame stud spacing.. The wall-mount rack comes in a flat-pack which makes it easy to transport.