<li>Smart-UPS protects your data by supplying network-grade battery backup when power fails</li><li> With PowerChute® plus software the uninterruptible power supply (UPS) will safely store data and shut down your network operating system before the battery is fully discharged, whether you're there or not</li><li> SmartSlot internal accessory slot allows you to install optional accessories to enhance the performance of your UPS</li><li> APC Smart-UPS is the perfect UPS for fileservers, minicomputers, UNIX CPU's, internet hubs, telecommunications systems and other mission-critical applications</li>