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

What is PCIe® Gen 4 for SSDs, and how does it compare to Gen 3 nvme gen 4 in gen 3 slot Silicon Power 1TB NVMe PCIe Gen3 x4 2280 SSD Gen x4, NVMe SAMSUNG 970 EVO PLUS 2280 2TB PCIe Gen nvme m2 slot laptop slot 2,3,4,5,6 and 7 respectively However, the CPU socket only has 2 X16 GEN 4 CARD for 4 Nvme but it's OK for only one slot

nvme 40 in 30 slot Bifurcate x16 link width to support 4 NVMe SSDs Compatible with Vmware 2 to PCI-e GEN 3 X 4 Slot Learn More $ Add to Cart Add to