Have you assembled a turbocharged computer yourself for non-gaming purposes?

'Turbocharged' isn't the mot juste here but I mean to ask if you've put a computer together that has extremely advanced specs but for a non-gaming purpose. If so, what is the spec, how did you put it together and what do you use it for? (Bonus inte

As an example, I'm imagining something like a Core i9, 64GB RAM, 5+ TB on SSD etc.