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

Sonnet 4x4 PCIe Card for SSDs pcie 4 nvme in pcie 3 slot The manual and tech specs does not say the specific SSD slots, just that they are nvme m PCIe Gen 3 x4 SSDs or SATA SSDs 0 Latest articles pcie 40 gpu in 30 slot If the PCIe slot can not be Bifurcation or BIOS is not set to x4x4x4 x4, only one hard drive can be recognized If the motherboard can only be set to x8 x4 x4

pcie 20 x16 slot PCIe 4 increases the PCIe generation's data transfer speed from 1GBs to 2GBs per lane, giving customers a total of 32GBs in a 16-lane