The Overland REO 9100 VTL Disk-Based Backup and Recovery Appliance with Protection OS enables fast, reliable data backup and recovery. Up to 2:1 virtual tape data compression. Easily configured as disk volumes (LUNs), dynamic virtual tape drives, and/or a virtual tape library the REO 9100 VTL is compatible with all popular backup software, physical tape drives and libraries for easy integration with iSCSI and FC networks. Patent-pending Dynamic Virtual Tape ensures that no capacity is wasted and simplifies virtual tape management. Embedded Protection OS software delivers intelligence along with enhanced features via software PACs. A robust browser based interface provides proactive monitoring and makes management a breeze. The hardware compression option effectively doubles the useable virtual tape capacity of the REO 9100 and connected expansion arrays, making it the most cost effective way to store more backup data on disk. The combination of hardware compression and Dynamic Virtual Tape ensure REO is the most efficient and cost effective VTL available.