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

What is PCIe? Understanding PCIe Slots, Cards and Lanes pcie slot width Specifically, if your CPU has integrated graphics, try the x16 PCIe slot closest to the CPU The physical width setting can overrule the pcie x1 in x16 slot PCIE3 is used for PCIe x4 lane width graphics cards • PCIE4 is used for PCIe x1 lane width cards •

pciex1 slot PCI is the bus interface standard for expansion cards Data is transmitted in parallel on a 32-bit or 64-bit data bus width