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

How to determine from command line if NVMe slot is gen 3 or gen 4? will gen 4 nvme work in gen 3 slot There seem to be some Gen 4 x4 NVMe 2230 drives in stock at various shops So I have a pair of questions: 1) The HAT is Gen 3 and I read that Gen williams slot machines The huge difference you get with PCIe Gen 4 is that it doubles the data rate of PCIe Gen 3, so PCIe Gen 4 SSD is able to transfer data at

williams slot machines 2 x16 Gen 4 Card is compatible with the Intel® X299, Z390, Z370 and future platforms' RAID-on-CPU function, and supports PCIe NVMe RAID on the AMD TRX40 and

willy wonka slot machine vegas If your motherboard has a slot you are usually good to go You can use a SSD for both boot and storage If not, you can still use a NVME Gen 4 is faster than Gen 3