The Seagate Barracuda 7200.9 with SATA 3Gb/s and Native Command Queuing(NCQ)adheres to the SATA 2.5 rev. specification and is the industry's most comprehensive family of 3.5-inch drives, providing leading technology targeted at SATA servers, mainstream and high-performance PCs/workstations, PC gaming systems and media PCs. Backed by an industry-leading unprecedented five-year warranty.