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
This Seagate Xbox Series X|S storage expansion card provides 1TB of storage for your console, holding your extra games and media.
—
George Yang, PC Magazine, 23 Apr. 2026
This concept eventually turned into an expansion card for the Apple IIe.
—Cameron Kaiser, ArsTechnica, 12 Sep. 2025
One of the issues with the original Ryzen Framework board was that the laptop's four USB-C ports didn't all support the same kinds of expansion cards, limiting the laptop's customizability somewhat.
—Ars Technica, 25 Feb. 2025
Lego provided an expansion card that fit inside the Apple II.
—Jeffrey Brace, IEEE Spectrum, 22 Nov. 2016
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George Yang, PC Magazine, 23 Apr. 2026
This concept eventually turned into an expansion card for the Apple IIe.
—Cameron Kaiser, ArsTechnica, 12 Sep. 2025
One of the issues with the original Ryzen Framework board was that the laptop's four USB-C ports didn't all support the same kinds of expansion cards, limiting the laptop's customizability somewhat.
—Ars Technica, 25 Feb. 2025
Lego provided an expansion card that fit inside the Apple II.
—Jeffrey Brace, IEEE Spectrum, 22 Nov. 2016
Cite this Entry
“Expansion card.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expansion%20card. Accessed 1 May. 2026.
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