Data core
A data core was an information storage device used by various civilizations.

The  Earth deep space probe Friendship 1, launched in 2067, contained a data core that stored a large amount of scientific and cultural information. The core had been studied by the inhabitants of a Delta Quadrant planet, and was still intact as of 2378. ()

The primary data core of an automated repair station encountered by  in 2152 incorporated living beings to boost its processing power. ()

After  was thrown into the mirror universe in 2257, Lieutenant  recovered a data core from the wreckage of a Klingon raider. The core was found to contain Vulcan data chips. ()

Later that year, a probe modified by an unknown party from the 28th century forcibly accessed and searched through the data core of shuttle DSC 05. () A subsequent audit by Lieutenant Commander Airiam found multiple SQL injections by the probe, but no compromised files. ()

In 2377, the Hirogen prey hologram Kejal was attempting to reconfigure the data core of a photonic field generator to support her comrades' holomatrices, but could not determine how to increase the optronic capacity until she was assisted by  B'Elanna Torres. ()

See also 
 Optronic data core

Computer technology