cucm/cups/cuc What spec PC ?

in CCNP
Hello, I am wanting to buy a PC for home lab use.
I want to run CUCM, CUPS and CUC on the same machine using Esxi.
Are any of you guys running the three on a single PC ?
If so, can you please recommend RAM, processor etc specs that will enable me to run these 3 apps on the same machine ?
So far, I have been told I need to make sure I use an Intel processor and I should put each of the three apps on it's own hard drive.
Any more advice would be greatly appreciated.
I want to run CUCM, CUPS and CUC on the same machine using Esxi.
Are any of you guys running the three on a single PC ?
If so, can you please recommend RAM, processor etc specs that will enable me to run these 3 apps on the same machine ?
So far, I have been told I need to make sure I use an Intel processor and I should put each of the three apps on it's own hard drive.
Any more advice would be greatly appreciated.
Comments
As far as grunt work, My computer is fairly old by today's standards though, but makes it through quite well. I have a i920 w/ 14gb ram.
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Biggest bottleneck for me seems to be HDD related. I use an old 80GB as a boot drive and to store my ISO files, and have 2 x 1TB SATA II drives for VMs. Just bought some extra 320GB SATA II's to spread the VMs around to lessen disk contention.