A few years ago there was the known Quadro/Geforce videocard issue: https://news.ycombinator.com/item?id=5398555 https://news.ycombinator.com/item?id=5398555

A few years ago there was the known Quadro/Geforce videocard issue: https://news.ycombinator.com/item?id=5398555 https://news.ycombinator.com/item?id=5398555 basically adding or removing a few resistors made card performa like other models costing hundreds of dollars more.