Hi,
I still have an older Mac Pro 1,1 from 2006. Its been upgraded to 2 x 4 core Xeons and has 16GB of RAM. Its too slow for my main machine, I have a Z87X with an i7 for day to day use, but its a great ESXI server. It runs around 8-10 VM's and is very reliable.
However I've had a few power...