Seagate Barracuda 7200.12 ST31000528AS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare DriveThese drives provide the following key features: 7,200 RPM spindle speed. High instantaneous (burst) data-transfer rates (up to 300 Mbytes per second). Perpendicular recording, Tunneling Magnetoresistive (TMR) recording heads and EPRML technology, for increased areal density. State-of-the-art cache and on-the-fly error-correction algorithms. Native Command Queueing with command ordering toincrease performance in demanding applications. Full-track multiple-sector transfer capability without local processor intervention. Quiet operation. Compliant with RoHS requirements in China and Europe. SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns. Support for S.M.A.R.T. drive monitoring and reporting. Supports latching SATA cables and connectors. Worldwide Name (WWN) capability uniquely identifies the drive.The Serial ATA interface provides several advantages over the traditional (parallel) ATA interface. The primary advantages include: Easy installation and configuration with true plug-and-play connectivity. It is not necessary to set any jumpers or other configuration options. Thinner and more flexible cabling for improved enclosure airflow and ease of installation. Scalability to higher performance levels.