Microsoft has released Windows Server 2012 Release Candidate

The next release of Windows Server, Windows Server 2012, will offer businesses and hosting providers a scalable, dynamic, and multitenant-aware, cloud-optimized infrastructure. It securely connects across premises and helps IT Professionals to respond to business needs faster and more efficiently.

Windows Server 2012 Release Candidate (RC):

Takes you beyond virtualization
Delivers the power of many servers with the simplicity of one
Opens the door to every app on any cloud
Enables the modern work style

Need more information? See the product details page.

  Windows Server 2012 Release Candidate Datacenter