I am going to be buying these by the truckload on ebay three years from now. The current generation of GPUs is definitely going to have a long usable lifetime.

I am going to be buying these by the truckload on ebay three years from now. The current generation of GPUs is definitely going to have a long usable lifetime. Manufacturers finally have HBM totally figured out and yielding/aging well. Today's GPUs are the analog of the 28nm logic node -- it was the sweet spot for an absurdly long time. There will be something faster/lower-power 2-3 years from now that will cause the BigCos to cycle their fleet, but it won't be anywhere near the VRAM/MemBandwidth boost we have today compared to 2-3 years ago. Their data centers are power-constrained, so they'll upgrade regardless, and the rest of us will feast on the windfall. Don't ninja-bid on my auctions.