Just built a new computer maxed out everything except for RAM and the GPU.
I had 32GB of lovely 8GB DDR4 1Rx4 ECC'd Server grade DIMMS (stable and responsive). My plan to go crazy with 2nd hand server RAM went balls-up when turns out my over the top motherboard doesn't support 1Rx4, bloody brilliant!
So stuck with a spare 4GB stick for now.
The GPU is just a spare one i have laying around (got 6 GPUs, 4 in computers). I will be swapping my old rig that has a Radeon 550 (equivalent to a GTX 1030, same gen as well)
So here is a lovely screenshot of my bodged computer, eith a top of the line CPU, motherboard, with only 4GB of RAM and a 9 year old GPU (and a Free Speech Flag to top it off)