Great ! PCIe x8 HHHL SSD cards

How to determine from command line if NVMe slot is gen 3 or gen 4? pcie 4 0 in pcie 3 0 slot 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 pcie x4 in x16 slot Q: Can I insert an old PCIe compatible peripheral into a Gen 5 slot? Yes, PCIe 5 slots are backward compatible which means you can insert older-generation

pcie x1 in x16 slot A PCIe SSD card can be inserted into a motherboard having PCIe slots, but the SSD will not be able to make use of the greater bandwidth