The Rocket133 Host Adapter is a dual channel IDE controller card designed for use with ATA133 hard disk drives.The Rocket133 supports high speed transfer rates up to 133MB/s, as well as providing parallel access to it's two, independent, ATA channels.The Rocket133 2 ATA channels combine to support up to 4 hard disk drives.The Rocket 133 Host Adapter breaks the current interface standard's hard disk drive capacity limitations, and supports hard drives larger than 137GB.