I brought this used RX 570, the graphics card power up fan spin but no display single, the seller told me is a ex mining GPU. Also it recognise on the device
This GeForce RTX 3080 Ethereum mining rig now makes $20K per month - VideoCardz.com
aaawave "The Pan" 6-8 GPU Mining rig frame review and assembly. - MyRandomTechBlog.com
STL file GPU Single External Support・3D print design to download・Cults
Best Fans for Mining Rigs
Mining Bitcoin with a GPU in 2018 - The Geek Pub
DCX Immersion Mining Systems - DCX Immersion Mining Systems
3D-printed Fan Mount Keeps Server GPU Cool In Desktop Case | Hackaday
8-GPU Single Fan GTX 1060 6GB Mining rig Build - YouTube