What is an Expansion Slot and How Does It Work?

Certified IT Support Professional Learning Resources Expansion Slots expansion slot Also known as a bus slot or expansion port, the expansion slot is a connection port inside a computer's motherboard It is akin to a socket expansion slot function Expansion cards are circuit boards that can be inserted into expansion slots on a computer's motherboard to add capabilities to the system

expansion slot definition This particular 32-bit PCI card has a slot in the card itself that designates a capability or a 5-volt capability Here's the larger 64-bit PCI