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

Hence, PCIe x4 The signaling is different between the two You cannot make a PCIe device turn into So if that card was a PCIe

So, the PCIe or third-generation card will function when installed in a PCIe or second-generation slot as the PCIe standard is such that it is both

pcie training error slot 1 PCIe gen 3 and PCIe gen 4 generally have the same loading time for windows However, how data is read and written between the two might be a lot

pcie 4 in pcie 3 slot PCI Express® Version: PCIe® Native PCIe® Lanes : 24 , 20 Additional Usable PCIe Lanes from Motherboard X570 16x Gen 4 X470 2x Gen 3, 8x