Can You Help me Understand This SATA NVMe PCIe SSD Gen

installing Gen4 NVME on a Gen3 Motherboard gen4 ssd in gen 3 slot Just to be clear, you can run a PCIe SSD in a PCIe slot , it just runs at PCIe speeds Which kind of negates the purpose m358 slot 2 SSD in the first place? When a Gen 4 SSD is installed in a Gen 3 slot, it will automatically operate at the maximum speeds supported by the

slot earning app From a numbers standpoint, it depends on the speed of your gen4 drive; but if your drive is capable of higher transfer speeds than gen3