“This chart illustrates the differences among the various Windows Server 2012 R2 products and editions, including the various editions of Windows Server, Microsoft Hyper-V Server, Storage Server, and MultiPoint Server. The chart includes information about locks and limits (such as the maximum number of connections of various kinds, domain-joining capability, and CPU and RAM limits), which server roles are supported, and which server features are available.”

Download Windows Server 2012 R2 Products and Editions Comparison chart