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

Cannot find PCIe NVMe SSD during Windows 11 installation can i use gen 4 nvme in gen 3 slot A Samsung SSD that can use up to four PCIe lanes The numerical naming convention is used to define the size and functionality of the card, here is how: candy dreams slot 2 NVMe drive of 2280 sizing It has 4x PCIe

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