motherboards had at least one PCIe slot for graphics. PCIe superseded PCI and PCI-X. Unlike its PCI predecessor, which used a shared bus, PCI Express is a switched architecture of up to 32 ...

a PCIe 3.0 card is inserted into a slot that is capable of only PCIe 1.0, the card will still be recognized and work. The available bandwidth will be severely reduced, which may be an issue for ...