Here's a config for around the same price. All brand new parts for 573. You can spend the difference improving any part you wish, or maybe get an used 3060 and go AM5 instead (Ryzen 8400F). Both paths are upgradeable.

https://pcpartpicker.com/list/ftK8rM

Double the LLM performance. Half the desktop performance. But you can use both at the same time. Your computer will not slow down when running inference.