What is the difference between PCIe Gen 3 and PCIe Gen 4?

PCIe vs : What's the Difference and Which Is Better pcie gen 4 in gen 3 slot 2 into a normal PCIe x1 slot, and leaves the remaining 3 lanes unconnected Gen 4 drive at full speed in a PCIe slot: WD SN850 1TB in x4 pciex4 slot On paper, Generation 4 drives are essentially twice as fast as Gen 3 drives, an absolutely massive improvement It isn't the same kind of jump

pcie 40 in pcie 30 slot Gen4 drives often have betternewer hardware so will run better in a Gen3 slot than a native Gen3 drive in many if not most cases, but you