Windows Server 2012 system requirements:-
X64 architecture processor
X64 based operating system
1.4 clock frequency
512 MB Ram
32 GB Hard Disk to install
Server 2012 Editions:-
Foundation=designed for small environment at least for as 15 as users.
Essential=designed for small business at least 25 users and 50 devices.
Datacenter=for large environment
It also act as an operating system of cloud
It get finally released on September, 04, 2012.
Server 2012 New Features:-
There are lots of new features and new features in existing features
Many changes in interface, management
Power shell 3.0
IP addressing management (Ipam)
Security and reliability.