Expansion Cards Explained - PCI, AGP, and PCI Express

The expansion slots available on motherboards allow for a variety of upgrades in a computer system, but matching the appropriate card to an available slot needs to be addressed before making any purchasing decisions. The most common types of expansion cards for modern computer systems can be broken down into three formats: PCI, AGP, and PCI Express. Each of these formats will be addressed separately in this Tech Tip, so let's start with PCI...