How to determine from command line if NVMe slot is gen 3 or gen 4?

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All motherboardsprocessors on the AMD platform support PCIe Gen4 Currently, most processors in the Ryzen 3000 and 5000 families can support one PCIe Gen4

The great thing about a PCIe gen 4 is that it's backwards compatible If you need to upgrade from a PCIe gen 3 to a gen 4, you can get it as a Eight NVMe SSD slots on a PCIe x16 card Silent operation Add your own ultra-fast SSDs for Mac, Windows, and Linux

nuke gaming slot new member 100 Even though the PCIe 4 slot is backward compatible with the Gen 3 SSD, the fact that you're connecting it to a Gen 4 slot will not increase data 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