The RA3000-RM is a low-cost, fully integrated UltraSCSI RAID subsystem for use with Microsoft Windows NT, OpenVMS, and the most popular UNIX operating systems. It ensures continuous access to critical applications and data through controller failover, hot-swap components, fail over to hot spares, automatic monitoring, and event notification. It incorporates the latest in RAID technology, supporting RAID Levels 0, 1, 0+1, 4, 5, and non-RAID disks.