Check the listing for details. PCI-E 4.0 Extension Cable GPU Riser Cable Compatible With Most GPU/Motherboard. Condition: New. Listed at 28.07 USD. Plug and play, no BIOS setup required. 1.PCI-E 4.0 riser cable design high quality hand-soldered gold pin, allowing for maximum conductivity and ensure signal integrity. Using imported cables with pure copper tinned cores, this power cable extension gives you full-speed, stable and almost attenuation-free signal transmission.