Add flexibility to your rack by expanding or reducing the equipment mounting depth by 4 inches. This depth adapter kit lets you extend or reduce the mounting depth of two rack units (2U) in your server rack by up to four inches. This TAA compliant product adheres to the requirements of the US Federal Trade Agreements Act (TAA), allowing government GSA Schedule purchases.Mount equipment that's too long, or too shortYou can use this adapter kit to mount equipment in your server rack that's up to four inches longer or shorter than the rack's mounting depth.Save money by mounting all of your equipment in one rackWith this adapter kit, you can customize your server rack to support different mounting depths, so you have the freedom to mount equipment of different depths in the same rack. It's a cost-saving, hassle-free way to consolidate your equipment into a single rack, so you have one server rack to manage instead of two.Easily manage cables by creating additional spaceThe depth adapter kit can also help manage your cables. You can mount equipment 4" in from the rails, to prevent cables from protruding from the rack. You can use the rail depth adapter to mount equipment that has high density cabling, such as patch panels, PDUs or network switches, to minimize the effects of cable strain and provide easier access to the cables.The RDA2U is backed by a 2-year warranty and free lifetime technical support.