Need help picking out a CPU for my fathers server i am building hem. It need to run 3 VM's all at once with programs running on the man os and the 3 VM's. This PC will be on 247 365 being cooled by air. Any one got any ideas on what CPU will get the job done. Also do you think a i5 4670 will cut it or do i need something more like a Xeon or i7.