installing Gen4 NVME on a Gen3 Motherboard

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 william hill games slot online and casino games The manual and tech specs does not say the specific SSD slots, just that they are nvme

william hill slot tournaments The card physically has an X4 interface, so it could be plugged into an X4, X8, or X16 slot It can still physically only access 4 lanes (else