A server rack houses and organizes critical IT systems, which can be configured to support a wide range of requirements. Often called server rack cabinet, it is enclosed to ensure security.Server racks are most commonly found in data center environments, but can also be used in smaller computer closets.
The 42 U server rack is the standardized size frame or enclosure for mounting equipment, and is used for computer server equipment. The 42 U server rack allows dense hardware configurations without taking up a lot of the floor space or shelving. If you only require a small number of servers, it is the best choice economically due to its lower upfront costs.