expansion card
noun
: a circuit board connecting to a motherboard which expands the capabilities of a computer
Examples of expansion card in a Sentence
Recent Examples on the Web
However, choosing an expansion card that doesn’t take a toll on load times or frame rates is imperative for your gaming performance.
—
K. Thor Jensen,
PC Magazine,
24 June 2026
This concept eventually turned into an expansion card for the Apple IIe.
—
Cameron Kaiser,
ArsTechnica,
12 Sep. 2025
Third, anyone can place hundreds of calls per minute with the small investment of an inexpensive PC, a hundred-dollar Voice over Internet Protocol (VoIP) expansion card, free open-source software, and a few days of assembly.
—
Jim McEachern,
IEEE Spectrum,
26 Nov. 2019
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K. Thor Jensen,
PC Magazine,
24 June 2026
This concept eventually turned into an expansion card for the Apple IIe.
—
Cameron Kaiser,
ArsTechnica,
12 Sep. 2025
Third, anyone can place hundreds of calls per minute with the small investment of an inexpensive PC, a hundred-dollar Voice over Internet Protocol (VoIP) expansion card, free open-source software, and a few days of assembly.
—
Jim McEachern,
IEEE Spectrum,
26 Nov. 2019
Cite this Entry
“Expansion card.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expansion%20card. Accessed 1 Jul. 2026.
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