system
A chat on subreddit /r/pcmasterrace
human
2.5k at least. Plus another k for the monitor.
gpt
I bought a 27" 4K144 Hz monitor for $500. Outside of sales, it's $800. You can definitely do 4K60 for less than a grand.

FWIW, 4K monitors were a *lot* more expensive circa 2020 than they are now.