With HighPoint RocketRAID ATA controllers, you will get the benefit of HighPoint Technology's industry-leading ATA feature set. To assure faster transfers, RocketRAID ATA software uses sophisticated handling techniques to make data transfers more efficient and minimize overloading the host system CPU and slowing system response. Every RocketRAID ATA controller also supports drive capacities exceeding 137GB. RocketRAID ATA cards can be used on both 33MHz and 66MHz PCI bus motherboards for wider compatibility and improved performance.