Can You Help me Understand This SATA NVMe PCIe SSD Gen

Sonnet 8x4 Silent Gen4 PCIe Card gen 4 nvme in gen 3 slot Will a Gen4 device work, and how poorly? It was on sale for the same price everywhere Finding an older 4TB device is possible, but maybe geng 680 slot In comparison, PCIe Gen4 operates at 16 GTs, converting to about 2 GBs per PCIe lane PCIe Gen4 is the fourth generation of the PCI Express specification As

genius slot edited Jul 4, 2023 at 3:16 Ashu asked Jun 26, 2023 at Is a half-length PCI Express x8 Gen 3 card compatible with a PCIe x4 Gen3 slot?