Windows Server 2008 R2 Datacenter Edition
è altamente ottimizzato alla virtualizzazione e scalabilità per gestire il carico di un datacenter:

Support for up to 64 x64 physical processors (up to 256 logical processors) and 2 terabytes of RAM

With unlimited virtualization use rights and a hypervisor-based virtualization technology, Windows Server 2008 R2 Datacenter provides both flexibility and cost savings. Windows Server 2008 R2 Datacenter also supports the memory and processing needs of large-scale, business-critical workloads such as ERP, databases, server consolidations, and custom and line-of-business applications.