Use the Gator Frameworks GRW-VRM3U Metal Wall Rack to turn any wall or ceiling into a sturdy 3U rack. The simple design allows you to rack equipment of any depth. It can be mounted either vertically or horizontally, whichever best fits your workspace. It's a great solution for power conditioners, wireless receivers, network audio players, hard drive bays, and any other important equipment that needs to be both secure and accessible.