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. For mid-sized to enterprises, VMware vSphere 4 delivers uncompromised control, in the most efficient manner, while fully preserving customer choice. 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.