Fantastic practical achievement!
I wonder if I could get similar or even better performance from similar Dell T7610 workstation with dual Xeons and also 128GB DDR3?
The CPUs are better core wise, but that probably does not make much difference?
It has CPUs 2 × Xeon E5-2697 v2
Cores / threads 24 cores / 48 threads total
Per-CPU cores 12 cores / 24 threads
Base clock 2.70 GHz
Max turbo 3.50 GHz
It is sitting gather dust but reading spead Gemma sounds promising.