Can You Help me Understand This SATA NVMe PCIe SSD Gen

Which slot on MSI Z490 motherboard supports PCIe ? pci 4 ssd in pci 3 slot PCIE 5 SSD vs Gen 4 Vs Gen 3 VS Sata! Join PC Centric for the load ssd speed and gaming pcie slot bracket PCIe 4 is backwards compatible with gen 3, 2 & 1, and you will get at least the same performance from putting a drive in a slot as you

pciex16 slot configuration Even though the PCIe 4 slot is backward compatible with the Gen 3 SSD, the fact that you're connecting it to a Gen 4 slot will not increase data