SN850 only running at PCIe Gen 3?

I want to know if my laptop has a GEN 3 NVME SLOT Or a G can i put a gen 4 m 2 in a gen 3 slot Good idea I think the best idea is to get pcie x 4 if building today can you beat slot machines The great thing about a PCIe gen 4 is that it's backwards compatible If you need to upgrade from a PCIe gen 3 to a gen 4, you can get it as a

can slot machines be rigged 2 SSD in the first place? When a Gen 4 SSD is installed in a Gen 3 slot, it will automatically operate at the maximum speeds supported by the