PCIe VS : What are the differences and similarities?

RTX 3060 PCIe vs PCIe - is there a Difference? pcie 4 0 in 3 0 slot Each of these mechanical PCIe slot sizes also corresponds to the number of available electrical PCI Express lanes (basically the amount of wires attached to pcie 4 slot PCIe 4 slots use an upgraded x16 connector, which is backward compatible with PCIe 3 slots This means that you can use a PCIe 3 Graphics Card in a PCIe 4 slot

pcie m2 slot PCIe gen 3 and PCIe gen 4 generally have the same loading time for windows However, how data is read and written between the two might be a lot