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Momentus 7200.4 SATA Product Manual, Rev. C 1
1.0 Introduction
This manual describes the functional, mechanical and interface specifications for the following Seagate
Momentus
®
7200.4 SATA model drives:
These drives provide the following key features:
• 7200-RPM spindle speed.
• 16-Mbyte buffer.
• Free Fall Protection (on ST9500420ASG, ST9320423ASG, ST9250410ASG, ST9160412ASG,
ST9120410ASG and ST980412ASG models only)
• Quiet operation. Fluid Dynamic Bearing (FDB) motor.
• High instantaneous (burst) data-transfer rates (up to 3.0 Gbits per second).
• Perpendicular recording technology.
• State-of-the-art cache and on-the-fly error-correction algorithms.
• Native Command Queuing (NCQ) with command ordering.
• Full-track multiple-sector transfer capability without local processor intervention.
• 1000 Gs nonoperating shock and 350 Gs of operating 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.
Standard models Free Fall Protection models
ST9500420AS ST9500420ASG
ST9320423AS ST9320423ASG
ST9250410AS ST9250410ASG
ST9160412AS ST9160412ASG
ST9120410AS ST9120410ASG
ST980412AS ST980412ASG