While closed cabinets are quite trending today, there are still many people who prefer to get open-frame racks for their equipment. If you have been also looking for an option that measures between 22inches to 40 inches, then getting the 15U open-frame rack can be a great option.The Built Quality:Whatever rack you are buying for your server or any other equipment, the very first thing to notice is the material out of which it is made up. This 15u open-frame rack is made up of cold-rolled steel which makes the rack quite light in