and yet, cheap $20 CPUs do have enough. My GPU rig runs dual e5-2680 $20 each. For $40 I have a total of 88 lanes. $160 dual server motherboard from Aliepxre

and yet, cheap $20 CPUs do have enough. My GPU rig runs dual e5-2680 $20 each. For $40 I have a total of 88 lanes. $160 dual server motherboard from Aliepxress. I currently have 6 GPUs. The motherboard supports PCIe bifurcation, so I don't really need this article. Just additional hardware to split the physical slots.