What are some other examples?
https://github.com/sk1080/nvidia-kvm-patcher/blob/master/REA...
https://www.eevblog.com/forum/chat/hacking-nvidia-cards-into...
The difference between their "professional" GPUs and regular ones is literally a few sub-cent resistors.
For more details, see https://en.m.wikipedia.org/wiki/List_of_Nvidia_graphics_proc... (Notably the "code name" columns).