Rack servers

In data centers and server rooms, professionals typically place rack-mounted servers to make more efficient use of the available space. The most popular rack servers are one or two units high, while larger servers that are four or five units high are also available. The most popular rack servers are one or two units high, while larger servers that are four or five units high are also available. Generally, the taller the server, the greater the expansion possibilities it offers. Typically, rack servers are connected to storage, uninterruptible power supplies, and switches in server rooms.
The design of rack servers makes it easier to wire and deploy servers and their components, as well as to maintain and update the servers. Most are mounted on sliding rails, providing quick access to the server components.