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

pcie 4 0 in 3 0 slot   Dan pcie slot x16

PCIe® graphics card slots AMD B550 Chipset PCIe® PCIe® graphics card slots AMD B450 Chipset High

PCIe has an effective transfer speed of up to 985 MBs per lane The latest available is PCIe with PCIe still on the development horizon  After a quick Google search, I found this article which explains that: a PCIe x16 slot can theoretically hit approximately 32 gigabytes

gokil slot However, performance will be limited to the specifications of the lowest of the two versions Related articles What Are PCIe and ? We suspected there may be a small performance advantage with high-end parts such as the RTX 3080 and 3090 when using PCIe over ,