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

Max speed of PCIE for SSD m2 pcie 4 0 in 3 0 slot Or the next generation of GPUs benefits from the doubled throughput of PCIe and slots (Note that PCIe devices will also work normally on a PCIe m2 slot pc The card physically has an X4 interface, so it could be plugged into an X4, X8, or X16 slot It can still physically only access 4 lanes (else

m2 nvme slot To be specific, a PCIe slot has an 8 GTs transfer rate per lane, while a PCIe slot has a 16 GTs transfer rate per lane Moreover, the