1 additional PCI-Express x1 slot is needed

What's the bandwidth and form factor for PCIe x1 x4 x8 and x16? pcie 3 0 x1 slot Hi I have a ROG Strix X570-E Motherboard and all 8-Sata Ports are in use My 3 x PCIe x4 Slots are not available There are two PCIe pcie x16 expansion slot You can install PCI Express slots in larger slots but not smaller ones For example, you can install a PCI Express x1 adapter into an x16 slot (but will still

pcie slot qrelease PCIe X1 slots- I am putting in 4 sound cards!! And not once addressed the issue that if you populate the second X16 slot you get two X8 Now