Seagate ST3500320NS, ST31000340NS, ST3250310NS, ST3750330NS manual Index

Page 47

Index

A

ACA 19 acceleration 16 acoustics 17 Active 14 Active mode 14 actuator arm 11 Agency certification 18 altitude 15

Ambient temperature 15 ambient temperature 10, 11 Annualized Failure Rate (AFR) 18 areal density 1, 9

ATA commands 29

Australia/New Zealand Standard AS/NZS3548 1995 19

Australian Communication Authority (ACA) 19 Australian C-Tick 19

Average latency 10 Average seek time 10

B

BPI 9 buffer 9

C

cables and connectors 24 cache 9

capacity 8

case temperature 15 CE mark 18 certification 18 Check Power Mode 29 China RoHS directive 20 Class B computing device 19 compatibility 18 Conducted noise 13 Conducted RF immunity 17 Configuring the drive 23 connectors 24

Corrosive environment 20 CSA C22.2 (950) 18 cycles 18

Cylinders 8

D

data-transfer rates 1 DC power 11

Default logical geometry 8 density 9

Device Configuration Freeze Lock 29 Device Configuration Identify 29 Device Configuration Restore 29 Device Configuration Set 29 Device Reset 29

dimensions 25 disc surface 11 dissipation 11 Download Microcode 29

E

Electrical fast transient 17 Electromagnetic compatibility 18 Electromagnetic Compatibility (EMC) 19 Electromagnetic Compatibility control Regulation 19 Electromagnetic Compatibility Directive (89/336/EEC)

18 Electromagnetic immunity 17 Electrostatic discharge 17 electrostatic discharge (ESD) 23 EN 55022, Class B 18

EN 55024 18

EN 60950 18

Environmental specifications 15 error-correction algorithms 1 errors 18

ESD 23

EU 18

EU RoHS directive 20

European Union (EU) requirements 18 Execute Device Diagnostics 29

F

FCC verification 19 features 1

Federal Communications Commission 19 Flush Cache 29

Flush Cache Extended 29 Format Track 29 Formatted capacity 8

G

geometry 8 Gs 16 guaranteed sectors 8

H

Handling precautions 23 heads 8

height 9 humidity 15

Barracuda ES.2 Serial ATA Product Manual, Rev. A

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Contents ST31000340NSST3500320NS ST3750330NSST3250310NS Barracuda ES.2 Serial ATARevision Date Revision historyContents Barracuda ES.2 Serial ATA Product Manual, Rev. a List of Figures Page Introduction About the Serial ATA interface Specification summary tables Drive specificationsDrive specification ST31000340NS ST3750330NS Barracuda ES.2 Serial ATA Product Manual, Rev. a Drive specification ST3500320NS ST3250310NS Drive specifications summary for 500 GB and 250 GB modelsBarracuda ES.2 Serial ATA Product Manual, Rev. a Cylinders Read/write heads Sectors per track 16,383 Default logical geometryLBA mode Formatted capacity1000GB 750GB 500GB 250GB Physical characteristicsRecording and interface technology Typical seek times msec Read Write Seek timeStart/stop times Power specifications Typical 5V startup and operation current profile Typical current profilesVoltage tolerance Conducted noiseSleep mode Power-management modesActive mode Idle modeEnvironmental specifications Nonoperating vibration VibrationOperating vibration Radio frequency environments AcousticsElectromagnetic immunity Fluid Dynamic Bearing FDB motor acousticsElectromagnetic compatibility Safety certificationReliability Agency certificationFCC verification Korean RRLAustralian C-Tick N176 China Restriction of Hazardous Substances RoHS Directive Environmental protectionCorrosive environment Page Barracuda ES.2 Serial ATA Product Manual, Rev. a Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveDrive mounting Mounting dimensions-top, side and end viewBarracuda ES.2 Serial ATA Product Manual, Rev. a Hot-Plug compatibility Serial ATA Sata interfacePin Function Definition Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions SignalCommand name Command code in hex Supported ATA commandsSupported ATA commands F4H Word Description Value Identify Device commandXx07H 129 Seagate-reserved Bit Word Description if bit is set to Bit WordSet Features command values Set Features commandCode in features register A.R.T. command 3 S.M.A.R.T. commandsA.R.T. commands Technical Support InternetPresales Support Data Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Publication feedback survey Barracuda ES.2 Serial ATA Product Manual, Rev. a Index ITE Page Barracuda ES.2 Serial ATA Product Manual, Rev. a Page Disc Drive, Scotts Valley, California 95066-4544, USA
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ST3750330NS, ST31000340NS, ST3250310NS, ST3500320NS specifications

Seagate has long been a leader in the hard drive market, providing various storage solutions for personal and enterprise needs. Among its notable models are the ST3500320NS, ST3320630NS, ST3250310NS, and ST3750330NS, tailored for different applications, particularly in data center environments.

The Seagate ST3500320NS is a 500GB SATA hard drive designed for high-performance computing. One of its key features is a spindle speed of 7200 RPM, which offers quick data access times, significantly reducing latency in read and write operations. This model supports a 3Gb/s SATA interface, ensuring compatibility with a wide range of systems. Another important characteristic of the ST3500320NS is its robust error recovery mechanism, which enhances data integrity, making it suitable for applications where data precision is critical.

The ST3320630NS, on the other hand, is a 320GB variant, also featuring a 7200 RPM spindle speed. This model includes advanced power management features, allowing for reduced energy consumption without sacrificing performance. The drive's design focuses on reliability, designed to handle the demands of continuous operation in RAID configurations or as part of a network-attached storage (NAS) solution. Its dual stage actuator technology ensures more precise positioning of the read/write heads, improving overall performance and durability.

Considered an entry-level model, the ST3250310NS boasts a capacity of 250GB and shares the 7200 RPM speed common to other models. This drive is tailored for cost-effective solutions, providing a balance of price, performance, and reliability for small to medium business environments. Its resilience to shock and vibration makes it suitable for use in mobile workstations and external drives.

Lastly, the ST3750330NS features a significant 750GB capacity while maintaining the same 7200 RPM speed. It offers enhanced caching capabilities with a 32MB buffer, improving data throughput and responsiveness. Designed for high-capacity storage needs, this model is optimized for streaming applications and heavy workloads, reinforcing Seagate's commitment to delivering good performance in demanding scenarios.

All these models embody Seagate's dedication to innovation and reliability, featuring technologies such as Native Command Queuing (NCQ) and S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) to monitor drive health. With years of expertise, Seagate continues to set industry standards for storage solutions, making these models ideal for a variety of professional applications.
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