This crypto-mining Asus motherboard supports 20 GPUs, because 19 wasn't enough
https://www.cnet.com/news/asus-cryptocurrency-mining-motherboard/
Think your gaming PC is beefy? Try mining cryptocurrency. Each of the 20 blue lines on this Asus H370 Mining Master motherboard is a special USB port designed specifically to connect a graphics card.
That's right: 20 graphics cards in a single computer. Not to mention three power supplies to keep them going.
