What Is PCIe? A Basic Definition - Tom's Hardware

pci slotA PCI slot is used to connect other processing cards to the main motherboard. Most motherboards use PCIe slots (PCI express). MotherboardsLearn about PCI, a standard information transport for extension cards in computers from 1993 to 2007. Find out the types, function, advantages and disadvantages of PCI slots and how they differ from PCI Express.