Mount networking, telephone, VOIP equipment, routers, switches and more with the R4 Series Four Post Open Frame Rack. These racks are designed to accommodate deeper, heavier components than a two post frame rack. Two styles are available, one with 12-24 threaded rackrail, and one with cage nut rackrail. Open top accepts direct mounting of optional cable ladder Versatile base mounts inward to save space or outward for stability Rack gangs to additional 4-post or 2-post open frame racks Open frame design facilitates unrestricted air flow Sturdy construction from heavy gauge steel or aluminum (depending on model) Ships flat to save space Includes 100 pcs. of suitable fasteners Includes additional split rackrail to provide up to three mounting depths