Microsoft Windows Server 2012 R2 Standard OEM (2 CPU/2 VM) - Base License Full OEM Version of Windows Server 2012 R2 Standard Edition Simplified management console and clustering included Deduplication: Reduce wasted storage automaticall;Virtualize by enabling the optional Hyper-V hypervisor role Virtualization: Run up to two virtual machines on up to two CPUs OEM Server License and Media; Server 2012 Standard requires CALS, which are not included with this product