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Definition: accelerator card

(1) See graphics accelerator.

(2) A plug-in card that improves the performance of a desktop computer or server. Accelerator cards are used for cryptocurrency mining, artificial intelligence (AI), big data analysis and other compute-intensive operations.

Datacenter Accelerator Card
This programmable accelerator card from Xilinx is used in datacenter servers to speed up operations such as machine learning. (Image courtesy of Xilinx.)