Seagate Desktop HDD ST320DM000 320GB Serial ATA hard disk drive

320GB, 7200RPM, SATA, 16MB cache, 8.89 cm (3.5 ") , 0.4kg These drives provide the following key features:
- 7200 RPM spindle speed;
- Seagate SmartAlign technology provides a simple, transparent migration to Advanced Format 4K sectors;
- High instantaneous (burst) data-transfer rates (up to 600MB per second);
- Perpendicular recording technology provides the drives with increased areal density;
- State-of-the-art cache and on-the-fly error-correction algorithms;
- Native Command Queueing with command ordering to increase 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.