Unable to use 2nd NVME SSD

How to determine from command line if NVMe slot is gen 3 or gen 4? which nvme slot to use This blisteringly fast new bus type, like contemporary graphics cards, makes use of the motherboard's PCIe data transfer lanes 2 port or PCIe slot which slot machine pays the most in gta 5 2 slots I'm looking to add 2 pcie gen 4 nvme SSDs I assume one drive will use one of the x16 lanes And the graphics card

which slot machine pays the most I bought a Kingston KC2500 NVMe SSD I have a Aorus B550 Elite V2 motherboard Do I have to put it in the slot (the one with the