Slow Mining Speed on Xeon E5-2690 v2

I'm mining on a bare server running on Ubuntu 16.04. It has 2x Xeon E5-2690 v2 (20 cores, 40 threads) and 32GB RAM. I'm getting around 50 Sol/s on avg. using nheqminer.

Now I know that GPU mining is better but still, is there any possible way to get more Sol/s?

other than over clocking the cpu's, no... and even that is only going to get you a couple more h/s's

i think that you know but i must say it even : cpu mining on zcoin is useless...gpu only have results