Discover how this Dell storage solution for Microsoft® Exchange 2013 — built on Dell PowerEdge R720xd — can help meet the high-performance messaging requirements of your organization. The solution demonstrates the use of Dell PowerEdge R720xd as a scalable, cost-effective server/storage building block for Microsoft Exchange Server 2013 deployments. Configuring the internal storage of Dell PowerEdge R720xd in RAID 1 levels achieves disk-level resiliency. The solution uses Microsoft Exchange 2013 Data Availability Group (DAG) to provide a site-resilient robust messaging solution for up to 6,000 mailboxes that are 3 gigabytes (GB) in size. Four Dell PowerEdge R720xd servers are placed in the local site with 40 databases distributed across these servers, 20 being active and 20 being passive. The remote site hosts the third copy of each of these databases.