The Belkin Serial ATA PCI Card brings the breakthrough serial ATA technology to your computer. Offering a data throughput rate of up to 150MBps, this Card is the perfect solution for connecting up to two, large-capacity serial ATA hard disk drives to your computer. Our Serial ATA PCI Card breaks the 137GB barrier-allowing you to store more data. Serial ATA is the most exciting advance in desktop data storage in the last 20 years. Upgrade your computer easily, using the new Belkin Serial ATA PCI Card and enjoy all of the benefits of this new technology.