IT organizations of many corporations follow refresh cycles to keep up-to-date on the latest hardware and software technology. Implementing these refresh cycles requires knowledge of new features in the latest generation of software and how they will work with improved servers, storage and associated component hardware. Incorporating these improvements in the solution design during the refresh cycle can lead to significant consolidation benefits. This white paper focuses on performance improvements in Microsoft Exchange Server from the 2007 version to the 2010 version and the benefits of using the latest generation Dell PowerEdge servers to provide significant performance improvement per server.