This document provides an overview of the VMware EVO:RAIL product. It begins with a disclaimer noting that features discussed are under development and subject to change. It then introduces EVO:RAIL as a converged infrastructure product that simplifies the deployment, configuration, and management of a software-defined datacenter through an appliance-based model. Key features highlighted include its use of trusted VMware technologies, prescribed 2U/4N hardware platform, automated scale-out capabilities, rapid time to value of deploying the first virtual machine, and non-disruptive upgrade process. Primary use cases are listed as remote/branch office, virtual desktop infrastructure, and private cloud. The document then discusses the origins and development of