Our popular SLIM 5 Series rack frame system meets a wide range of project requirements with a strong steel construction and wide open access for easy integration. The open-frame server rack ships ready-to-assemble. 14RU & 20in (660mm) Depth. Lightweight, open design is easy to work with. Bolt-together design allows for flat shipment via UPS. Unique interlocking corner joint for exceptional strength and easy assembly. Accepts optional removable steel side panels for security and control airflow. Top. Includes two laser knockout locations to mount cooling fans. Standard front and rear fixed 10-32 threaded rack rail with marked spaces.