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

PCIe NVMe SSD on PCIe slot-Worth it? pcie 4 nvme in pcie 3 slot Or the next generation of GPUs benefits from the doubled throughput of PCIe and slots (Note that PCIe devices will also work normally on a PCIe pcie slot qrelease 4-3, per single PCI Segment Group show less , ECN, November 18, 2018 Errata This optional normative ECN defines 3 new PCIe trans view more This

pcie 4 m2 in pcie 3 slot 2 PCIe 3 and 4 drives look identical from the outside The difference is the standard in the way they connect to the motherboard, and thus