Barracuda 7200.7 Serial ATA Product Manual, Rev. N 1
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
[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.
OEM models
Distribution models
not supporting NCQ
Distribution models
supporting NCQ
ST3200822AS
ST380013AS
[1]
ST3200822AS ST3160827AS
ST3160023AS
[1]
ST380011AS
[1]
ST3160023AS ST3120827AS
ST3160021AS
[1]
ST340111AS
[1]
ST3120026AS ST380817AS
ST3120026AS
[1]
ST340014AS
[1]
ST380013AS
ST3120022AS
[1]
