Hyper-V in the Windows Server 8 will be more scalable
In the beta version a Hyper-V host
- support up to 160 CPU cores
- 2 TB of RAM
- 4000 virtual machines per cluster
- 63 nodes per cluster
- Virtual machines will support up to 32 virtual CPU’s and 512 GB of RAM. There also will be a new virtual harddisk format VHDX. VHDX should be faster and can exceed the 2 TB size limit of a VHD file.