That’s great info on NVLINK compatibility! I saw articles on the hashing technique to bypass GPU compute. It’s neat, but it is still research that is not implemented for broader use in any more general purpose framework yet. I have simultaneously scaled down and scaled up my proposed system build to use a maximum of 2 bigger GPU’s and a Threadripper 3960X. I have awful timing though. It seems that the Covid-19 fiasco has pushed prices from list to list + $400 since I started this thread. I have seen drops on the consumer Ryzen chips and slight increases on Epyc, but the TR’s got really expensive. Maybe after nVidia announces whatever they are announcing at their now-virtual GTC, the drop on current RTX cards may partially offset the CPU’s exorbitant rise in price.