Seagate ST9120312AS, ST9320322AS manual Physical organization, Recording and interface technology

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2.4Physical organization

Drive model

Read/write heads

Number of discs

 

 

 

ST9320322AS

4

2

 

 

 

ST9160312AS

2

1

 

 

 

ST9120312AS

2

1

 

 

 

2.5Recording and interface technology

Interface

Serial ATA (SATA)

 

 

Recording method

Perpendicular

 

 

Recording density BPI (bits/inch max)

1,337k

 

 

Track density TPI (tracks/inch max)

191.5k

 

 

Areal density (Gbits/inch2 max)

253

Spindle speed (RPM) (± 0.2%)

5,400

 

 

Maximum Internal transfer rate (Mbits/sec)

830

 

 

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

3.0

 

 

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 +/-0.249

 

(inches)

2.75 +/-0.0098

 

 

 

Length

(mm)

100.33 +/-0.25

 

(inches)

3.95 +/-0.010

 

 

 

Typical weight

 

 

 

ST9320322AS

98 grams

 

 

0.212 pounds

 

ST9160312AS

93 grams

 

ST9120312AS

0.205 pounds

 

 

 

8

Momentus 5400 FDE.3 SATA Product Manual, Rev. A

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Contents Momentus 5400 FDE.3 Sata ST9320322AS ST9160312AS ST9120312ASPage Contents Compatibility summary Seagate Technology support servicesSerial ATA interface List of Figures Page Introduction System requirementsAbout Momentus 5400 FDE.3 Sata disc drives Security feature matrixFDE drive feature list FDE benefitsDrive state upon shipment Momentus 5400 FDE.3 Sata Product Manual, Rev. a Drive specifications Specification summary tableSystem will display the warranty information for your drive Formatted capacity Default logical geometryLBA mode Cylinders Read/write heads Sectors per track 16,383Physical organization Physical characteristicsDrive specification Recording and interface technologyTypical seek times msec Read Seek timeStart/stop times Time to ready Typical Max @ 25CPower specifications Conducted noise Typical current profileDeferred spinup Voltage toleranceActive mode Power-management modesPower management modes Idle modeEnvironmental specifications Nonoperating shock ShockOperating shock VibrationTest for Prominent Discrete Tones PDTs AcousticsElectromagnetic immunity Idle Performance seekReliability Safety certificationMeasurement type Specification Agency certificationFCC verification Korean RRLAustralian C-Tick N176 China Restriction of Hazardous Substances RoHS Directive Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS Configuring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsMounting dimensions Drive mountingDrive integration Momentus 5400 FDE.3 Sata drive label exampleSecure Erase procedure Security Erase--ATA security commandsDrive installation Consumer usageDrive State after Secure Erase Serial ATA interface Serial ATA connector pin definitionsSignal Segment Pin Function DefinitionATA Security policy exceptions Pin Function DefinitionWord Content ATA Security Erase Unit bitsIdent Value BIT set Bit Description DriveTrust Mode supportDriveTrust Identify Full Disc Encryption support Full Disc Encryption IdentifyNormal Commands Supported ATA commandsSupported commands Read LOG EXT SET MAX Freeze Lock Code Command Locked Unlocked Frozen ATA Security API DriveTrust Security APIIdentify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordSet Features command Set Features command valuesCode in features register A.R.T. command 7 S.M.A.R.T. commandsM.A.R.T. commands Bios versions tested in ATA Security mode Installation considerationsSystem Compatibility using WIndows XP SP2 Tested Bios versions with Windows XP SP2AMD Phoenix Award Dell AMI VVPGI635 DriveTrust compatibility verification Bios DriveTrust compatibilityTian YI F30A ATA ICH8M HP-BPC Supported operating systems Compatibility test configurationsOperating system versions tested Manufacturer Version/ReleasePresales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index ITE TPI Momentus 5400 FDE.3 Sata Product Manual, Rev. a Page Seagate Technology LLC

ST9120312AS, ST9160312AS, ST9320322AS specifications

The Seagate ST9320322AS, ST9160312AS, and ST9120312AS are hard disk drives (HDDs) designed for reliable storage solutions in various computing environments. These drives belong to the Barracuda line, known for their high performance and robust features.

The ST9320322AS is a 320GB, 2.5-inch SATA hard drive that operates at a speed of 7200 RPM. It has a 16MB cache buffer, enhancing data access speeds and allowing for efficient multi-tasking. This drive is particularly suitable for laptops, external drives, and other applications requiring high-capacity storage paired with portability. Its low power consumption makes it an ideal choice for mobile systems, contributing to longer battery life.

On the other hand, the ST9160312AS is a 160GB version, also a 2.5-inch SATA HDD running at 7200 RPM. Like the ST9320322AS, it features a 16MB cache, which optimizes performance for everyday computing tasks. This model is often utilized in gaming consoles and entry-level laptops, offering a balance of performance and affordability. With a height of only 9.5mm, it is designed to fit in ultrathin laptops while providing ample storage space for user data, applications, and multimedia files.

The ST9120312AS further reduces storage capacity to 120GB, while maintaining the same rotational speed of 7200 RPM. This HDD is designed for users looking for reliable, cost-effective storage solutions without compromising on performance. Like its counterparts, it features a 16MB cache and operates efficiently, making it suitable for applications that require moderate data storage, such as basic computing tasks and media storage.

All three models leverage Seagate’s advanced recording technology, which enhances data integrity and reliability. They also incorporate sophisticated error recovery tools that help prevent data loss, ensuring longevity and durability under various operating conditions. These drives support the SATA interface, which provides high-speed data transfer rates, making them compatible with a wide range of computing devices.

In conclusion, the Seagate ST9320322AS, ST9160312AS, and ST9120312AS hard drives represent a strong selection for users in need of reliable, efficient, and compact storage solutions. With their combination of high performance, energy efficiency, and advanced technologies, they continue to serve a vital role in modern computing architectures.