PCIe gen 4 drive in a gen 3 slot?

Best NVMe SSDs 2024: The fastest storage drives you can buy can you put a gen 4 ssd in a gen 3 slot 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 canadian wild slot Well yeah but if you put this card in an 8x slot then only two of the SSD's would work Wouldn't it just fall back to PCIe 3 speeds?

can you put a gen 4 ssd in a gen 3 slot PCIe drives are available for those who want to speed things up a notch, however Compared to PCIe NVMe SSDs, the current Gen 5 counterparts (such