VMware vSphere

VMware vSphere is a Cloud Operating System designed especially for small IT environments with fewer than 20 physical servers, the Essentials and Essentials Plus editions of VMware vSphere 4 deliver enterprise-class capabilities in a cost-effective solution packages for organizations that want optimize and protect their IT assets with minimal up-front investment.

By adopting vSphere Essentials, customers can more effectively utilize server, network and storage resources dynamically as a single pool or “internal cloud” to protect business-critical applications and data.

Compare ESXi and vSphere