What are Small PCIe x1 Slots Used For?

I've never tested it, but allegedly it will split a single x16 slot into an x8 x4 and x4 in

But yes, a PCIe x1 card will work in x1, x4, or even a x16 slot R

can i use gen 4 ssd on gen 3 slot 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

can you put a pcie x1 in a x16 slot Is there anyway to configure the setup so I can keep the video card in the first 16x slot? The Firewire and WiFi cards both receive power in the 16x slots,