"Overview\nTripp Lite's 45U 4-Post Open Frame Rack with Threaded Mounting Holes helps IT managers organize their equipment array and provides fast, easy access to installed IT equipment. The SR4POST1224 is a simple solution for housing IT equipment in secure environments and other areas that dont require a lockable rack solution. This 45U rack features heavy-duty cold-rolled steel construction with a black powder-coated finish for durability. It supports stationary loads up to 1000 lb. The SR4POST1224 comes with all the hardware required for assembly and has a self-squaring design with bolt-down provisions. For high-density applications, multiple units can be bolted together side by side.\n\nThe open design of the SR4POST1224 provides unobstructed airflow and easy access to equipment and cabling. It has threaded (12-24) mounting holes for easy installation of standard 19-inch rack equipment. The SR4POST1224 supports equipment depths from 22 to 36 inches. This rack also accommodates toolless button-hole mounting for vertical PDUs and cable managers."