Lenovo extends its line of outstanding hard drive upgrade options with the 500GB 7200 rpm Serial ATA Hard Drive for selected models of Lenovo ThinkCentre systems. By installing a Serial ATA Hard Drive, you can realize the full potential of your Serial ATA system. The 300 MB/s instantaneous data transfer rate is a 50% improvement over previous Serial ATA technology.The 500GB Serial ATA Hard Drive features S.M.A.R.T., which can warn of predictable impending Hard Drive failure. S.M.A.R.T. is compatible with ThinkVantage Rescue and Recovery software, available separately, which can perform unattended backup of customer data from the drive before failure.The 500GB Serial ATA Hard Drive benefits from an outstanding Lenovo drive quality, reliability, compatibility, and testing program. As one of the premier PC system manufacturers, Lenovo installs millions of hard drives per year. Ongoing quality management in support of this product provides Lenovo options customers with drives continually selected from among the highest-quality hard drives available.