HP Serial ATA Hard Drives maximize the performance of HP Business PCs by providing the technologies to meet your increasing storage demands with high-capacity drives offering superior reliability and performance. - Improved protocol for enhanced data integrity - Enhanced security prevents access to user data until one or two user-defined passwords are provided - Performance increase to up to 3 Gb/s maximum external (burst) data transfer rate - Thinner and smaller serial cables and connectors for easy routing and improved system cooling - SMART IV technology constantly checks that the data flow from host interface to media and media to host interface is not compromised.