Peripheral Component Interconnect (PCI)

pci slotA PCI slot is used to connect other processing cards to the main motherboard. Most motherboards use PCIe slots (PCI express). MotherboardsLearn the differences between PCI and PCIe, two types of buses in PC, from function, appearance, speed, and compatibility aspects. See how to distinguish them and how to mrate to PCIe SSD for better performance.