Seagate ST980411ASG, ST9320421ASG, ST9250421ASG Default logical geometry, Physical organization

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2.3Default logical geometry

Cylinders

Read/write heads

Sectors per track

 

 

 

16,383

16

63

 

 

 

LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

2.4Physical organization

Drive model

Read/write heads

Number of discs

 

 

 

ST9320421AS and ST9320421ASG

4

2

 

 

 

ST9250421AS and ST9250421ASG

3

2

 

 

 

ST9200421AS and ST9200423ASG

3

2

 

 

 

ST9160411AS and ST9160411ASG

2

1

 

 

 

ST9120411AS and ST9120411ASG

2

1

 

 

 

ST980411AS and ST980411ASG

1

1

 

 

 

2.5Recording and interface technology

Interface

Serial ATA (SATA)

 

 

Recording method

Perpendicular

 

 

Recording density BPI (bits/inch max)

1,334k

 

 

Track density TPI (tracks/inch max)

190k

 

 

Areal density (Gbits/inch2 max)

253

Spindle speed (RPM) (± 0.2%)

7,200

 

 

Maximum Internal transfer rate (Gbits/sec)

1.1

 

 

I/O data-transfer rate (Gbits/sec max)

3.0

 

 

Interleave

1:1

 

 

Cache buffer

16 Mbytes (16,384 kbytes)

 

 

6

Momentus 7200.3 SATA Product Manual, Rev. B

Page 11 Page 13
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Page 11 Page 13
Contents Momentus 7200.3 Sata Page Contents Momentus 7200.3 Sata Product Manual, Rev. B List of Figures Page Introduction About the Serial ATA interface Drive specifications Specification summary tableAFR LBA mode Formatted capacityDefault logical geometry Physical organizationRecording and interface technology Cylinders Read/write heads Sectors per track 16,383Physical characteristics Drive specificationSeek time Typical seek timesPower specifications Start/stop timesTypical current profile Conducted noiseVoltage tolerance Power-management modes Power management modesActive mode Idle modeEnvironmental specifications Acoustics Free Fall Protection feature Electromagnetic immunityReliability Radio frequency environmentsSafety certification Agency certificationElectromagnetic compatibility Korean BCCFCC verification Environmental protection European Union Restriction of Hazardous Substances RoHSChina Restriction of Hazardous Substances RoHS Directive Page Momentus 7200.3 Sata Product Manual, Rev. B Configuring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsMounting dimensions-top, side and end view Drive mountingMomentus 7200.3 Sata Product Manual, Rev. B Serial ATA connector pin definitions SignalSerial ATA Sata interface Segment Pin Function DefinitionPin Function Definition P10 Ground 2nd mate P11 ReservedSupported ATA commands Command name Command code in hex ATA-standard commandsCommand name Command code in hex Identify Device command ATA-standard security commandsWord Description Value XxxxH Xx7FH Description if bit is set to Bit Word Bit WordSet Features command Set Features command values3 S.M.A.R.T. commands A.R.T. commandsCode in features register A.R.T. command Seagate Technology support services Warranty Support MySeagate Spp.seagate.comInternet Presales Support Technical SupportWarranty Service Data Recovery Services Authorized Service CentersCall Center Toll-free Direct dial Index ITE Sata Momentus 7200.3 Sata Product Manual, Rev. B Page Seagate Technology LLC
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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.
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