What are the system requirements for Windows Server 2012 Essentials?

For a complete set of requirements, please visit http://technet.microsoft.com/enus/library/jj200132.aspx.
Processor
Minimum of one 1.4 GHz x64 processor
Maximum of two physical sockets
RAM
Minimum: 2 GB
Recommended: 4 GB
Maximum: 64 GB
Hard Disk Space
Minimum One 160 GB disk drive