VMware vSphere Essential Plus ( v. 4.0 ) - license

VMware vSphere 4 is the industry's first cloud operating system, transforming datacenters into dramatically simplified cloud infrastructure and enabling the next generation of flexible, reliable IT services. VMware equips SMBs with technology solutions that allow them to cost effectively optimize the use of their existing IT assets and resources as well as protect the systems, data, and applications that run the business, ensuring always on IT. HP delivers and supports a wide range of VMware products certified on ProLiant server platforms.