Server

Servers were a component of computers.

The servers of Second Reality were based in Palo Alto. (PROSE: Another Life)

On planet Unnamed BX-4, there existed a massive organic computer known as "The Jungle" where the trees served as servers. (COMIC: Spirits of the Jungle)

When combating the Reconnaissance Dalek, the Thirteenth Doctor told Team TARDIS to aim its gunstick at the servers of the GCHQ to sabotage its transmission to the Dalek Fleet. (TV: Resolution)