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
Scores of third-party vendors sprang up to make expansion cards.
—
Jamie Lendino, PC Magazine, 30 Mar. 2026
This concept eventually turned into an expansion card for the Apple IIe.
—Cameron Kaiser, ArsTechnica, 12 Sep. 2025
These include high-capacity input hubs, as well as external boxes that can host PCIe expansion cards with I/O for specialized video workflows, or for attaching extra-high-speed portable storage.
—Joe Osborne, PCMAG, 5 Mar. 2025
The system also retains some modularity, with swappable black or translucent side panels, an optional carrying handle, 21 customizable tiles on the front (which can be either bought or 3D-printed), and two slots on the front for the same expansion cards used for Framework Laptops.
—Ars Technica, 25 Feb. 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jamie Lendino, PC Magazine, 30 Mar. 2026
This concept eventually turned into an expansion card for the Apple IIe.
—Cameron Kaiser, ArsTechnica, 12 Sep. 2025
These include high-capacity input hubs, as well as external boxes that can host PCIe expansion cards with I/O for specialized video workflows, or for attaching extra-high-speed portable storage.
—Joe Osborne, PCMAG, 5 Mar. 2025
The system also retains some modularity, with swappable black or translucent side panels, an optional carrying handle, 21 customizable tiles on the front (which can be either bought or 3D-printed), and two slots on the front for the same expansion cards used for Framework Laptops.
—Ars Technica, 25 Feb. 2025
Cite this Entry
“Expansion card.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expansion%20card. Accessed 5 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
