BSOD when using NVME SSD in PCIE GEN 4 mode

What is PCIe® Gen 4 for SSDs, and how does it compare to Gen 3 can i use gen 4 nvme in gen 3 slot Solved: Does installing gen4 NVMe SSD on PCIe 3 slot affect the speed? or should i buy 3 gen3 NVMe ssd? Please give me some advice can you put a single coil pickup in a humbucker slot Hi there, I'm trying my first build and I bought a samsung 980 PCIe NVMe SSD which is a PCIe Gen x4, NVMe interface

candy tower slot slots x 5 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