- Mount servers using the cage nut compliant R4CN models - Cage nut models include standard Z-rail adaptor for side mount installations - Available with 12-24 threaded rackrail to mount other data and server equipment - Rack gangs to additional four post or two post open frame racks - Open frame design facilitates unrestricted heat flow - Open top accepts mounting of 6”, 9” or 12” cable ladders - Versatile base may be configured to the inside of the rack to save space, or outward for increased stability - Multiple mounting locations for optional power, cable lacing strips and additional rackrail - NEW! Vertical Cable Duct option available for dressing cables between open frame racks