Seagate ST94813SB Physical organization, Recording and interface technology, Drive specification

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2.4Physical organization

Drive model

Read/write heads

Number of discs

 

 

 

ST9120821SB

4

2

 

 

 

ST9100824SB

4

2

 

 

 

ST98823SB

3

2

 

 

 

ST96812SB

2

1

 

 

 

ST94813SB

2

1

 

 

 

2.5Recording and interface technology

Interface

Serial ATA (SATA)

 

 

Recording method

16/17 EPRML

 

 

Recording density BPI (bits/inch max)

778k

 

 

Track density TPI (tracks/inch max)

126k

 

 

Areal density (Mbits/inch2 max)

98.2

Spindle speed (RPM) (± 0.2%)

5,400

 

 

Maximum Internal transfer rate (Mbytes/sec)

42

 

 

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

150 (SATA 1.0)

 

 

Interleave

1:1

 

 

Cache buffer

8 Mbytes (8,192 kbytes)

 

 

2.6Physical characteristics

Drive specification

 

 

 

 

 

 

Height

(mm)

9.5 +/-0.2

 

(inches)

0.374

+/-0.0078

 

 

 

 

Width

(mm)

69.85

+/-0.25

 

(inches)

2.75

+/-0.0098

 

 

 

 

Length

(mm)

100.5

+/-1.6

 

(inches)

3.945

+/-0.0098

 

 

 

 

Typical weight

(grams)

100

 

 

(pounds)

0.22

 

 

 

 

 

6

Momentus 5400.2 SATA Blade Server Product Manual, Rev. B

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Contents Momentus 5400.2 Sata ST9120821SB ST9100824SB ST98823SB ST96812SB ST94813SBPage Contents Momentus 5400.2 Sata Blade Server Product Manual, Rev. B List of Figures Page Introduction Momentus 5400.2 Sata disc driveAbout the Serial ATA interface Drive specifications Specification summary tableLoad/Unload U/UL cycles 25C, 50% relative humidity Default logical geometry LBA modeFormatted capacity Cylinders Read/write heads Sectors per track 16,383Physical characteristics Drive specificationPhysical organization Recording and interface technologySeek time Time to readyTypical seek times Typical seek times msec Read WritePower specifications Deferred spinup Additional detailsEnvironmental specifications Shock Operating shockNonoperating shock VibrationAcoustics Electromagnetic immunityDrive level acoustics Radio frequency environmentsSafety certification Measurement type SpecificationReliability Agency certificationKorean RRL Australian C-Tick N176FCC verification Environmental protection Corrosive environmentEuropean Union Restriction of Hazardous Substances RoHS Momentus 5400.2 Sata Blade Server 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 5400.2 Sata Blade Server 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 ATA-standard security commandsMomentus 5400.2 Sata Blade Server Product Manual, Rev. B Identify Device command Word Description ValueXx07H 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 InternetPresales Support Technical SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Index ITE Sata Momentus 5400.2 Sata Blade Server Product Manual, Rev. B Page Seagate Technology LLC

ST96812SB, ST9100824SB, ST94813SB, ST9120821SB, ST98823SB specifications

The Seagate series of hard drives, including the ST98823SB, ST9120821SB, ST94813SB, ST9100824SB, and ST96812SB, have been pivotal in the evolution of data storage solutions. Each model features specific enhancements that cater to different storage needs, while still reflecting Seagate's commitment to quality and performance.

The ST98823SB is a high-capacity hard drive designed primarily for enterprise use. One of its key features is its 7200 RPM spindle speed, which ensures fast data access and transfer rates. This drive typically supports Ultra ATA/133 interface, which enhances its data transfer capabilities. The robust design and high MTBF (Mean Time Between Failures) rating of the ST98823SB make it a reliable option for critical applications and large data storage.

Moving on to the ST9120821SB, this model emphasizes storage efficiency and reliability. With a capacity of around 120GB, it is ideal for storing operating systems and essential applications. The ST9120821SB also boasts a 7200 RPM speed, ensuring quick load times. This drive often features advanced power management technologies, reducing energy consumption while maintaining high performance, making it suitable for both desktop and server environments.

The ST94813SB is designed with a balance between performance and capacity. It typically offers a 48GB storage solution, catering to users who require speed without needing extensive space. With its SATA interface and a rotational speed of 7200 RPM, this drive supports high-performance applications while ensuring data integrity and reliability.

The ST9100824SB enhances the user experience with its 2.5-inch form factor, making it suitable for laptops and portable devices. With storage capacities around 100GB, this drive is designed to be energy-efficient, reducing the overall power consumption of mobile devices. It also utilizes advanced caching algorithms for improved performance, particularly in read operations.

Lastly, the ST96812SB stands out for its robust architecture, designed to withstand the rigorous demands of industrial applications. With a spin speed of 7200 RPM and a SATA interface, this drive offers a commendable mixture of speed and durability. It is often used in environment-sensitive applications where reliability is crucial.

Together, these Seagate models represent a diverse range of storage solutions, each tailored to meet specific consumer demands while ensuring reliable performance and impressive technology features.