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Expansion Cards for your Homebuilt Computer


Network Card (Image courtesy of Netgear)Expansion cards are devices that extend a computer's capabilities and are inserted into expansion interfaces (or "slots") on the motherboard. Once upon a time, practically everything had to be installed into the motherboard as an expansion card. But early on in the history of the PC, manufacturers started adding more and more integrated peripherals right onto the boards; and nowadays, it's possible to buy a board that has everything everything the processor and the RAM built right in..

Depending on the motherboard you have purchased, however, you'll most likely need to install one or more expansion cards in your homebuilt computer. Many new motherboards have audio, video, and network "cards" built right into them. But if not (or if you don't want to use the integrated cards), then you will need to install expansion cards.


Types of Expansion Cards

There are many different types of expansion cards. The most common of these are:


Expansion cards, fittingly enough, fit into expansion slots on the motherboard. It's important to purchase cards that correspond to the kind of slots your motherboard has available. You can learn to identify the different kinds of expansion slots by reading this page.




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