ExpressStripe

ATTO ExpressStripe for Mac® is a disk storage application that provides RAID Level 0 functionality and benchmarking software for the Mac OS X operating system (with OS 9 compatibility).
ExpressStripe allows users to enhance the performance of their attached SCSI, SAS, SATA, Fibre Channel, FireWire and ATA storage.

With its easy-to-use interface, ATTO ExpressStripe gives you the power to optimize storage for your environment. Whether you are using Mac OS X for high-end digital video editing, database management, or other high-performance applications, ExpressStripe will give you the power you need to work more efficiently with volume creation and management.