PCI Express Base Specification

What is PCI Express? Do PCIe lanes, slots, and versions matter? pci 4 in pci 3 slot I have recently bought a B450 mobo, and it comes with CrossFire support The thing is, only one of the PCIe slot is x16, the other one is x4 I have a pcie 8x slot PCIe or Gen 5 is essentially just a new standard of PCIe that brings double the amount of data transfer compared to PCIe or Gen 4 This enables higher

pcie cem slot ​As mentioned above, plugging a x4 PCI Express board into an x8 slot is acceptable This setup is called up-plugging The opposite—plugging a x8 PCI Express