Seagate's Barracuda ATA V with Serial ATA Interface leverages the mechanics of the industry's quietest 7200 rpm desktop drive. The Barracuda ATA V offers 80GB and 120GB capacities with an 8MB cache for mainstream, high performance PCs, and entry-level servers. The product features all FDB motors, superior reliability and the next generation interface - Serial ATA. The SATA Barracuda includes Seagate's exclusive 3D Defense System and a one-year limited warranty.