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SATA to 5x SATA port multiplier hardware RAID5 Controller

With an easy configuration scheme, the device can function as a pure port multiplier which provides SATA port expansion just like a SATA Hub, a hard drive performance booster which provides a high-performance device seen by the host controller, or a hard drive data protector which automatically backs up data to prevent data loss from hard drive damage.

SPM393-SI also has an advanced mode to provide both the benefits of performance boost and data protection.

SPM393-SI has a self-contained storage processor chip which completely frees up the main CPU loading and whose SATA ports comply with SATA II specification, making it suitable for use in both internal system and external storage applications