What is PCI Express? Do PCIe lanes, slots, and versions matter?

PCIe Bifurcation pcie 4 card in pcie 3 slot You can put a PCIe card in a PCIe slot, and it'll work the same as if you had put it in a PCIe slot The same works pcie training error slot 1 A PCIe graphics card will work in a PCIe motherboard slot at PCIe speeds For PCIe graphics cards, maximum graphics

pcie4 slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express