expansion slots definition computer

An expansion card plugs into an expansion slot on a computer motherboard to provide additional functionality. Expansion slots include PCI, AGP, AMR, CNR, ISA, ...

39. Expansion Slots and Adapter Cards What is an expansion slot?  An opening, or socket, on the motherboard that can hold an adapter card  With Plug and Play, the computer automatically configures cards and other devices as you install them 39.

USB 3.0 PC Card Slot Expansion Bracket. USB 3.0 Half-Height PC Card Slot Expansion Bracket. 2x USB 2.0 Expansion Bracket. Add two USB 3.0 ports to the front of a desktop computer.