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

PCIe slot, denoted as x1, x4, x8, or x16 PCIe technology enables interface speeds of up to 1GBs per client lane A PCIe NVMe SSD

Due to the forward and backward compatibility, a PCIe GPU will perform like a PCIe GPU card if connected to a PCIe (or in the future

nvme m2 ssd slot PCIe slot, denoted as x1, x4, x8, or x16 PCIe technology enables interface speeds of up to 1GBs per client lane A PCIe NVMe SSD

nvme in pcie slot You can insert a PCIe SSD card into a motherboard with PCIe slots, but this SSD won't be able to make full use of the higher bandwidth