Seagate ST31000340AS, ST31000640AS manual Formatted capacity, Default logical geometry, LBA mode

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2.1Formatted capacity

Model

Formatted

Guaranteed

Bytes per sector

capacity*

sectors

 

 

 

 

 

 

ST31000340AS

1000 Gbytes

1,953,525,168

512

ST31000640AS

 

 

 

 

 

 

 

ST3750330AS

750 Gbytes

1,465,149,168

512

ST3750630AS

 

 

 

 

 

 

 

ST3500320AS

 

 

 

ST3500620AS

500 Gbytes

976,773,168

512

ST3500820AS

 

 

 

 

 

 

 

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.

2.1.1LBA 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.

See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48- bit addressing support of drives with capacities over 137 Gbytes.

2.2Default 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.

2.3Recording and interface technology

Interface

Serial ATA (SATA)

 

 

Recording method

Perpendicular

 

 

Recording density (kbits/inch max)

1090

 

 

Track density (ktracks/inch avg)

150

 

 

Areal density (Gbits/inch2 avg)

164

Spindle speed (RPM)

7,200 ± 0.2%

 

 

Internal data transfer rate (Mbits/sec max)

1287

 

 

Sustained data transfer rate (Mbytes/sec max)

105

 

 

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

300

 

 

8

Barracuda 7200.11 Serial ATA Product Manual, Rev. C

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Contents Barracuda 7200.11 Serial ATA Revision history Revision Date Sheets affected or commentsContents Barracuda 7200.11 Serial ATA Product Manual, Rev. C List of Figures Typical 5V startup and operation current profilePage Introduction About the Serial ATA interface Drive specifications Drive specifications summary for 1000 and 750 Gbyte models Barracuda 7200.11 Serial ATA Product Manual, Rev. C Drive specifications summary for 500 Gbyte models Barracuda 7200.11 Serial ATA Product Manual, Rev. C Formatted capacity Default logical geometryLBA mode Recording and interface technologyStart/stop times Physical characteristicsSeek time Typical seek times msec Read WritePower specifications Typical 5V startup and operation current profile Typical 12V startup and operation current profileIdle mode Power-management modesActive mode Sleep modeEnvironmental specifications Nonoperating vibration VibrationOperating vibration 1000 GB, 750 GB and 500 GB modelsFluid Dynamic Bearing FDB motor acoustics AcousticsElectromagnetic immunity Test for Prominent Discrete Tones PDTsAgency certification Safety certificationReliability Electromagnetic compatibilityFCC verification Korean RRLAustralian C-Tick N176 Environmental protection Corrosive environment超出Configuring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsMounting dimensions Drive mountingBarracuda 7200.11 Serial ATA Product Manual, Rev. C Serial ATA Sata interface Hot-Plug compatibilitySignal Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions Pin Function DefinitionCommand name Command code in hex Supported ATA commandsSupported ATA commands F3H Command name Command code in hex Write Sectors Extended 34H Identify 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 3 S.M.A.R.T. commandsA.R.T. commands Presales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index Page Sata Barracuda 7200.11 Serial ATA Product Manual, Rev. C Page Seagate Technology LLC
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ST3500820AS, ST3500320AS, ST3500620AS, ST31000640AS, ST31000340AS specifications

Seagate has long been a prominent player in the hard drive industry, and its line of SATA drives, including the ST3640330AS, ST3750330AS, ST3750630AS, ST31000340AS, and ST31000640AS, showcases a blend of performance, reliability, and advanced technology. These drives cater to various user needs, from consumer desktops to enterprise applications.

The ST3640330AS and ST3750330AS models are designed with a 7200 RPM spinning speed, ensuring fast data throughput for gaming, multimedia, and everyday computing tasks. With a SATA interface and compatibility with the latest systems, these drives are ideal for users seeking efficient storage solutions. The ST3640330AS provides 640 GB of storage, while the ST3750330AS boasts a generous 750 GB capacity, offering ample space for large files and applications.

Moving to the ST3750630AS, this model continues the trend of high performance, offering 750 GB of storage but enhanced with Seagate’s advanced error-correcting technology. It also features an updated cache architecture that optimizes read and write speeds while minimizing latency. This drive is particularly beneficial for users who require reliable backups and quick access to data.

The ST31000340AS and ST31000640AS are both part of Seagate’s 1 TB series and are engineered for durability and longevity. The ST31000340AS features traditional SATA technology, providing users with a balance between cost and performance. On the other hand, the ST31000640AS integrates improved power management features that result in lower energy consumption without compromising performance. This makes it a suitable choice for environmentally-conscious consumers or businesses looking to reduce operational costs.

All models feature Seagate's proprietary technologies such as SoftSonic drives, which result in quieter operation, and advanced power management capabilities that extend the lifespan of the hard drives. They are equipped with robust error recovery and data security features, ensuring data integrity and protecting against data loss.

Overall, the Seagate ST3640330AS, ST3750330AS, ST3750630AS, ST31000340AS, and ST31000640AS drives represent a comprehensive range of storage solutions that combine capacity, speed, and cost-effectiveness, making them a popular choice for a variety of users, from casual consumers to demanding enterprise environments.
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