PCIe Gen 4 Storage AOC in Gen 5 slot

The Best PCI Express NVMe Solid State Drives for 2024 gen 4 nvme in gen 3 slot PCIe SSDs are twice as fast as PCIe SSDs But next-generation PCIe SSDs will double PCIe Gen 4 speeds genies palace slot I was wondering if I could use Nvme gen4 on a gen 3 board ? I think my board only has one slot, so I may want to upgrade

genie nights slot Whereas the NX supports Gen4 speed I get higher sequential rw speeds on the Xavier NX But for random rw the IOPS is lower