I have been using BI since about 2016, and do feel that I have tuned the system to some extent. Obviously, I am still doing something wrong. I only added Deepstack a couple of weeks ago.
Ok, here is my setup.
Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz
Windows 10, Blue Iris 5.5.1.3
64 GByte RAM...