Vmware - Specifications for ESxi Servers to host 320 vm's

Hi ,

i am in the process of gathering specs  for vmware platform.
Specifically we have total of 320 vm , ( total of : 350 cores , 4209 GB or RAM , 67065 GB of space)


Some of the physical servers i have are :
Quad proc , quad core ,Intel 7310  , 96GB RAM
or
Quad proc , Octo  core , Intel 4620 , 2.6 Ghz , 512 GB RAM   .

With the second server specs (  Quad proc , Octo  core , Intel 4620 , 2.6 Ghz , 512 GB RAM   ) i eastimate i will need about 10 of them.
I will also include the shared storage ( i can only have either Quantastor with SAS drives ) or iscsi storage with SATA drive. In this case i would select Quantastor,
Any ideas ?
c_hocklandAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
I would recommend SAS fast drivers e.g. 10k or 15k rpm.

I would work on how much memory is required to server your VMs, as memory is often the bottleneck, not CPU.

We work on aprrox 5-6 VMs per physical core of the host processor.

and we work on 6-8GB RAM per physical core in the host processor.
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