Does it really matter if I use an NVME SSD GEN 3 or GEN 4?

SN850 only running at PCIe Gen 3? will gen 4 ssd work in gen 3 slot 2_1 slot on my ASUS ROG Strix x570i mobo The only thing I can find in bios is set to _1 link = Gen 4 Yet the SSD is still running at Gen 3 will gen 4 ssd work in gen 3 slot Here are examples of adapters which are marketed as PCIe compliant: Icy Dock and Micro Connectors I will note that these appear to be

willie nelson slot machine Gen 4 is faster than Gen 3