Is it okay to put Gen 3 SSD in my motherboards Gen 4 pcie slots?

Is it okay to put Gen 3 SSD in my motherboards Gen 4 pcie slots? m 2 gen 4 in gen 3 slot slot) In fact I've even successfully used a x4 adapter advertised as PCIe to run a Gen 4 drive at full speed in a PCIe slot: WD m2 expansion slot I know I'm replying to an old comment, but maybe someone else sees this I recently got a Gen 4 SSD while still having a Gen 3 motherboard

m2 expansion slot These generations of industrial computing solutions specifically dedicate PCIe Gen lanes directly for an onboard NVMe storage solution

m2 slot mainboard Below are the speeds of potential SSDs depending on generation PCIe Gen 3 SSDs deliver read speeds of about 3500 MBs PCIe Gen 4 M Here we can see the device supports up to 8 GTs thence it is Gen3 2 Get the generation of the PCIe itself $ sudo lspci -vv -s 08 grep -w