Open-Frame Racks are a simple solution for mounting IT equipment in secure environments that don't require a lockable rack. Each module has a front panel that is 19 inches (482. The 19 inch dimension includes the edges or ears that protrude from each side of the equipment, allowing the module to be fastened. What is a Server Rack? A server rack is specially designed to store various networking devices, which can effectively organize, manage, and protect network equipment including servers, network switches, routers, UPS, storage devices, etc., ensuring the stable and reliable operation of equipment. It allows for vertical stacking of devices, saving space while improving airflow and accessibility. Learn more about how airflow affects server performance in our detailed guide on how airflow works inside a.