1. What Hypervisor is he going to use? Windows HyperV?
2. How many Virtual Machines does he want to run on the Hypervisor?
3. How many vCPU does he want to assign?
4. How much memory does he want to assign to the VMs?
5. Why does he want 10 disks * 600GB (10k RPM)?
6. What RAID does he want to use? What is the exact configuration of the disks?
7. Does he want to do Hypervisor Clustering?
8. Will he migrate old physical server to this Hypervisor? What OS versions?