Precision 7740 - PCIe Interface 3rd Gen or 4th Gen?

How to determine from command line if NVMe slot is gen 3 or gen 4? m 2 4 0 in 3 0 slot
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m2 pcie 40 in 30 slot Hi, I currently am using a Pi 5 and I have connected via a Blue USB slot an External SSD enclosure, with an PCIe Gen 4 NVMe SSD in it