Can You Help me Understand This SATA NVMe PCIe SSD Gen

Sonnet 8x4 Silent Gen4 PCIe Card pci 4 ssd in pci 3 slot The adapter supports PCIe x4 NVMe and PCIe-AHCI SSDs including 2242, 2260, 2280, and 22110 drives The expansion slot adapter supports the most pcie 20 x16 slot Hallo, wenn der Formfaktor passt , kannst du auch eine PCIe SSD in einem PCie betreiben, da

pciex16 slot configuration I have a pc setup i7 10th gen cpu in an asrock b460 This mb support in 1st pcie 16x, in 2nd pcie slot only 2x and it also has 2 pci-e 1x I have a