How can I find out what Gen of NVME my machine supports (what

NVMe x4 adapter card for PCIe x1 slot m 2 gen 4 in gen 3 slot I have a WD black SN850 500GB in my _1 slot on my ASUS ROG Strix x570i mobo The only thing I can find in bios is set to _1 link = Gen 4 m2 slot pc The 6Gbps SATA III spec was finalized in the days when rotational hard drives still ruled and SSDs were rare, ludicrously expensive, and

m2 nvme slot 2 drives on older PCIe motherboards which didn't have native slots, and still saw significant improvement over the early 120GB SATA SSDs