How To Add More PCIe Slots?

Other PCIE slots are x16 physically, but they all operate as x1 electrically With that said, if I put my HBA to the x1 slot, what is

On the other hand, it provides multiple additional slots for adding more cards to Connect with your motherboard In most cases, it is used in the PCIe x1 slot,

pcie slot configuration gen1 gen2 gen3 1 x PCIe x16 PCIe x16 2 x PCIe x16 1 x PCIe x16 PCIe x1 5 x PCIe x1 3 x PCIe x1 2 x PCIe x1 1 x PCIe

pcie 30 in 40 slot By specification, all PCIe cards are backwards compatible with the lowest bandwidth x1 lane slots If the x1 slot is designed with an open end,