WTF?
No mention of a terrapixel or even petapixel display - indeed no mention of display at all - so why do they need GPUs. Presumably they chose GPUs for the peer-peer interconnects so why aren't they using NVidia CryptoMiningProcessors instead. These are basically a GPU but without the video I/O and all the logic that goes with it. Less power hungry and with even more maths processing.