expansion card


A circuit board which can be plugged into one of a computer's expansion slots to provide some optional extra facility such as additional RAM, disk controller, coprocessor, graphics accelerator, communication device or some special-purpose interface.

Different computers have different standards for the cards they accept, e.g. PCI.

Last updated: 1998-06-26

Nearby terms:

Expanded Memory Specificationexpansion cardexpansion slot

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