Windows Server 2008 R2 Sp1 7601. 24561 Aio 8in1... Review

: Optimized for virtualization; allows unlimited virtual instances on one server.

: Designed for small-to-medium businesses; supports up to 32 GB of RAM. Windows Server 2008 R2 SP1 7601. 24561 AIO 8in1...

: Targeted at large-scale IT infrastructure; supports up to 2 TB of RAM and 8 physical CPUs. : Optimized for virtualization

: Specialized for hosting web applications and services via Internet Information Services (IIS) 7.5 . Technical Innovations in SP1 Windows Server 2008 R2 SP1 7601. 24561 AIO 8in1...

The introduction of Service Pack 1 added key virtualization capabilities:

This operating system exclusively supports processors. Windows 2008 R2 Service Pack 1 - Microsoft Support