expansion slot

An expansion card, also known as an expansion board or add-on card, is a hardware component that you can insert into a computer's expansion slot to enhance its

Computer dictionary definition of what expansion slot means, including related links, information, and terms

expansion slot An expansion slot is a port on a motherboard that accepts an expansion card Typical slot formats include PCIe and PCI

expansion slot drawing What is a PCIe card? A PCIe card or expansion card is just another name for hardware that can be added to your device through PCIe slots