SSD , NVMe PCIe and NVMe PCIe which one is better

SSD , NVMe PCIe and NVMe PCIe which one is better gen 4 nvme in gen 3 slot 2 SSD slots ) Gigabyte Aorus 10000 Gen5 SSD With all that in place, Gen 5 SSDs, equipped with either their genesis slot The card physically has an X4 interface, so it could be plugged into an X4, X8, or X16 slot It can still physically only access 4 lanes (else

genesis slot Looking at Amazon there is PCIe Gen 3 NVME and PCIe Gen 4 NVME for sale I don't see this even mentioned on the Wikipedia page for NVM Express

gen 4 ssd in gen 3 slot #2 Gigabyte AORUS NVMe Gen4 SSD The most distinctive feature of Gigabyte AORUS NVMe PCIe SSD is the full-body copper heat spreader, which :CPU: AMD Ryzen 5 5600Motherboard: ASUS TUF GAMING B550-PLUSSSD: Kingston FURY Renegade PCIe NVMe SSD (installed on _1 slot,