Seagate ST3160023AS Product Manual - Page 9

1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate Barracuda® 7200.7 Serial ATA model drives: Table 1: Barracuda 7200.7 Serial ATA models OEM models ST3200822AS ST3160023AS [1] ST3160021AS [1] ST3120026AS [1] ST3120022AS [1] ST380013AS [1] ST380011AS [1] ST340111AS [1] ST340014AS [1] Distribution models not supporting NCQ ST3200822AS ST3160023AS ST3120026AS ST380013AS Distribution models supporting NCQ ST3160827AS ST3120827AS ST380817AS [1] OEM model that may support NCQ These drives provide the following key features: • 7,200 RPM spindle speed • 8 Mbyte buffer (ST3200822AS, ST3160827AS, ST3160023AS, ST3120827AS, ST3120026AS, ST380817AS, ST380013AS and ST340111AS models) • 2 Mbyte buffer (ST3160021AS, ST3120022AS, ST380011AS, and ST340014AS models) • High instantaneous (burst) data-transfer rates (up to 150 Mbytes per second). • Giant magnetoresistive (GMR) recording heads and EPRML technology, provide the drives with increased areal density. • State-of-the-art cache and on-the-fly error-correction algorithms. • Full-track multiple-sector transfer capability without local processor intervention. • Quiet operation. • 350 Gs nonoperating shock. • SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns. • The 3D Defense System™, which includes Drive Defense, Data Defense and Diagnostic Defense, offers the industry's most comprehensive protection for disc drives. • Support for S.M.A.R.T. drive monitoring and reporting. • Support for Read Multiple and Write Multiple commands. • Native Command Queing enabled on some models. Barracuda 7200.7 Serial ATA Product Manual, Rev. N 1