2-Post 4U Desktop Server Rack: Designed to use on a workbench or small home/office spaces without dedicated wiring closets. Product Size: 4U, H 9.37" x W 19.9 " x D 11.6" , Compatible with 19" rackmount networking, Media, AV, IT equipments. No Assembly Required: the 4U Open Frame arrives with fully assembled and no need to assemble when receiving. Including 16 x M5 screws for installation easily. Extra Rubber on the Rack Stands: Extra rubber on the rack stands protecting your table from scrapes. Sturdy Construction: this 4U table open frame rack is made of steel with powder coating. Max loading capacity: 50 pounds.