APC by Schneider Electric Fixed - 1U Rack Height - Black - 250 lb Maximum Weight Capacity. The APC Universal Server Rack Accessory Fixed Shelf can support your equipment and accessory needs up to 250 lbs / 114 kgs. It minimizes the amount of space it occupies at just 1U. The ventilated design ensures cool air is uniformly distributed to the installed IT equipment. Additional product details: metal construction, matte black finish, 1.75 in shelf thickness, fixed installation (no assembly required), compatible with NetShelter EP/ES/SX/VX/WX models; includes mounting hardware and installation guide. Approximate item weight around 20.7 lb; 2-year limited warranty (manufacturer).