The portable EnhanceRAID™ T4X SR is a cost effective stand-alone eSATA desktop storage appliance with built-in OS transparent RAID engine that targets at various user levels such as digital content creators, game designers, and SMB database managers. It comes with a hardware embedded RAID engine that wraps Four (4) SATA disks into one RAID protected volume, while connecting to a host computer through an external eSATA port. The EnhanceRAID™ T4X SR offers plug’n’play simplicity connecting to either a Apple Macintosh or Window machine, and is ideal for SMB backup, workgroup productivity, email archive, and provides the fastest, simplest, safest way to share protected data between desktops, networks and work groups.