The xSeries 150 provides versatile plug-and-play solutions for file and data serving, enabling additional network storage capacity to be available in minutes, not days. Performance-optimized Windows Powered OS is pre-installed, and Snapshot backup software is included to enable concurrent backup while disk drives are in use.Choose between a tower model and a rack model. The rack model is expandable via additional modular expansion units.For high reliability and easy maintenance, the xSeries 150 offers an integrated Advanced System Management processor, Predictive Failure Analysis, Light-Path Diagnostics and redundant and hot-plug components. Innovative web-based management software allows you to manage the servers and define IP addresses remotely.