What do you mean by an "Architecture" system?
Do you plan on running some particular architecture design apps?
If you mean pc architecture, go with the latest 8th gen processors.
When buying new, you generally get more for your money.
FWIW:
My canned rant on liquid cooling:
------------------------start of rant-------------------
You buy a liquid cooler to be able to extract an extra multiplier or two out of your OC.
How much do you really need?
I do not much like all in one liquid coolers when a good air cooler like a Noctua or phanteks can do the job just as well.
A liquid cooler will be expensive, noisy, less reliable, and will not cool any better
in a well ventilated case.
Liquid cooling is really air cooling, it just puts the...