Host computer components
The next concern is designing and sizing the host computers that will run Hyper-V Server. You now have some idea of the load your virtual machines will need, so you need to understand what the requirements are to fit those needs.
Hyper-V Server requirements
The hypervisor itself doesn't require much in terms of hardware. It shares an official requirements list with the full Windows Server 2012 product, which is as follows:
64-bit CPU (x64, not Intel Itanium) running at a minimum of 1.4 GHz
512 megabytes of main system RAM
32 gigabytes of available hard drive space
Hyper-V's requirements extend beyond these to the following:
The CPU's options for hardware-assisted virtualization support must be enabled in the BIOS
CPU support for Data Execution Prevention must be enabled in the BIOS (NX on AMD chips, XD on Intel chips)
While not required for the Server edition of Hyper-V unless you intend to use RemoteFX, second-level address translation (SLAT) can greatly enhance the performance...