PCIe gen 4 drive in a gen 3 slot?

will a gen 4 ssd work in a gen 3 slot   Dan will slot

tl;dr: The crucial P3 doesn't seem to like the lack of 4 full gen3 lanes, not sure how the nvme standard plays into that I couldn't find

5+3 Phases Pure Digital VRM Solution with Low RDS MOSFETs 9 Supports 3rd Gen AMD Ryzen™ Processors 10 Dual Channel DDR4, 4 DIMMs 11 Dual Gen 4 is faster than Gen 3

buffalo deluxe slot machine A good quality pcie 4 drive in a pcie 3 slot will be near identical in real world proformance compared to a top of line pcie 3 nvme drive As BUT you go buy the off brand no name cheaper 1TB Gen 4 NVME for lets say, 70$ (6-7K read