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Seagate ST9200421AS, ST980411ASG, ST9320421ASG, ST9250421ASG, ST9200423ASG manual Introduction

Models: ST9120411AS ST9120411ASG ST9250421AS ST9160411AS ST9200423ASG ST9250421ASG ST980411AS ST9320421AS ST9320421ASG ST980411ASG ST9160411ASG ST9200421AS

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1.0Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate Momentus® 7200.3 SATA model drives:

•ST9320421AS

•ST9320421ASG

•ST9250421AS

•ST9250421ASG

•ST9200421AS

•ST9200423ASG

•ST9160411AS

•ST9160411ASG

•ST9120411AS

•ST9120411ASG

•ST980411AS

•ST980411ASG

These drives provide the following key features:

•7,200-RPM spindle speed.

•16-Mbyte buffer.

•Free Fall Protection (on ST9320421ASG, ST9250421ASG, ST9200423ASG, ST9160411ASG, ST9120411ASG and ST980411ASG 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.

•1,000 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.

Momentus 7200.3 SATA Product Manual, Rev. B

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Seagate ST9200421AS, ST980411ASG, ST9320421ASG, ST9250421ASG, ST9200423ASG, ST9160411ASG, ST9120411ASG manual Introduction
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ST9120411AS, ST9120411ASG, ST9250421AS, ST9160411AS, ST9200423ASG specifications

Seagate has long been a prominent name in the storage industry, recognized for delivering reliable hard drives that cater to a variety of computing needs. The Seagate ST9200421AS, ST9160411ASG, ST980411ASG, ST9320421ASG, and ST9320421AS are notable hard drives that showcase the brand's commitment to performance and efficiency.

The ST9200421AS is a 2.5-inch SATA hard drive that boasts a storage capacity of 200GB. With a spindle speed of 5400 RPM, this model is optimized for low power consumption while maintaining adequate performance for everyday computing tasks. Its 8MB cache enhances data transfer rates, making it suitable for basic computing environments such as entry-level laptops.

Another model, the ST9160411ASG, also operates at a speed of 5400 RPM but offers a slightly larger storage capacity of 160GB. It incorporates advanced error correction technologies that improve data integrity and reliability. This drive is ideal for users looking to upgrade their existing storage without sacrificing battery life or performance in mobile devices.

The ST980411ASG steps up the capacity game with 160GB of storage as well but features Seagate's PowerSave technology that helps extend battery life in laptops. This is particularly beneficial for mobile users who require dependable storage while on the move. Combined with a 5400 RPM speed and 8MB cache, it balances performance with energy efficiency.

The ST9320421ASG offers a more substantial storage option of 320GB, matching the performance characteristics of its predecessors with a 5400 RPM spin rate. This drive includes features like QuietStep technology, which minimizes noise for a smoother user experience, making it excellent for quiet environments and multimedia applications.

Lastly, the ST9320421AS follows suit with similar specifications, catering to users who prioritize additional capacity alongside reliability. This model is ideal for users needing a dependable yet spacious storage solution for their laptops or compact desktops.

Overall, the Seagate ST9200421AS, ST9160411ASG, ST980411ASG, ST9320421ASG, and ST9320421AS hard drives exemplify the brand's innovation and commitment to quality. With features designed to enhance performance, efficiency, and user experience, these drives continue to be a solid choice for those seeking reliable storage solutions in various computing environments. With their varying capacities and features, users have the flexibility to select a model that best fits their storage needs while enjoying the reliability that Seagate is known for.