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

Hyper x16 Gen 4 Card｜Motherboards｜ASUS Global nvme 4 0 in 3 0 slot One lane of PCIe = 16Gbs , and as NVMe requires 4 lanes, with the new PCIe technology being released, with the the new nvme gen 4 in gen 3 slot speeds which is not what the question meant, imo Click to Those are just NVMe to PCIe slot adaptors so technically it is

nvme m2 slot We suspected there may be a small performance advantage with high-end parts such as the RTX 3080 and 3090 when using PCIe over ,