expansion slot

noun

, Computers.

1. a connection in a computer, especially a personal computer, to which a new board or card can be added to expand the computer's capabilities.

expansion slot

noun

1. a physical electronic interface provided in a computer system to enable extra facilities to be added easily at a later date

Word History and Origins

Origin of expansion slot¹

First recorded in 1980–85

Example Sentences

It’s not immediately clear from the leaked images how big the display on the Logitech G Gaming Handheld is, but one image reveals there’s a potential mute switch and microSD card expansion slot.

From The Verge

The functionality is said to be coming in a firmware update that will activate the PS5’s M.2 expansion slot, which is currently disabled.

From The Verge

Both have an expansion slot allowing owners to plug in a second SSD if they want.

From The Guardian

Roughly half the size of the original, the device actually mimics its elder and even has a removable expansion slot, volume control and working slot for cartridges, all that will never be used.

From Washington Times

Image: Yale Unfortunately, because the Yale Connect module takes up the lock’s small expansion slot, you won’t be able to use it alongside any of the company’s existing expansion modules like the Z-Wave Module 2.

From The Verge