Seagate ST3320820SCE, ST3250820SCE, ST3300820SCE, ST3750640SCE, ST3750840SCE, ST3400820SCE manual Index

Page 47

Index

A

ACA 22 acceleration 19 acoustics 20 Active 16 Active mode 16 actuator arm 14 Agency certification 21 altitude 18

Ambient temperature 18 ambient temperature 14 Annualized Failure Rate (AFR) 21 areal density 13

ATA commands 31

Australia/New Zealand Standard AS/NZS3548 1995 22

Australian Communication Authority (ACA) 22 Australian C-Tick 22

Average latency 14 Average seek time 14

B

BPI 13

C

cables and connectors 26 capacity 12

case temperature 18 CE mark 21 certification 21 Check Power Mode 31 China RoHS directive 23 Class B computing device 22 compatibility 21 Conducted noise 16 Conducted RF immunity 21 Configuring the drive 25 connectors 26

Corrosive environment 23 CSA C22.2 (950) 21 cycles 21

Cylinders 12

D

data-transfer rates 1 DC power 14

Default logical geometry 12 density 13

Device Configuration Freeze Lock 31 Device Configuration Identify 31

Device Configuration Restore 31 Device Configuration Set 31 Device Reset 31

dimensions 27 disc surface 14 dissipation 15 Download Microcode 31

E

ecording heads 1 Electrical fast transient 21 Electromagnetic compatibility 21 Electromagnetic Compatibility (EMC) 22 Electromagnetic Compatibility control Regulation 22 Electromagnetic Compatibility Directive (89/336/EEC)

21 Electromagnetic immunity 21 Electrostatic discharge 21 electrostatic discharge (ESD) 25 EN 55022, Class B 21

EN 55024 21

EN 60950 21

Environmental specifications 18 error-correction algorithms 1 errors 21

ESD 25

EU 21

EU RoHS directive 23

European Union (EU) requirements 21 Execute Device Diagnostics 31

F

FCC verification 22 features 1

Federal Communications Commission 22 Flush Cache 31

Flush Cache Extended 31 Format Track 31 Formatted capacity 12

G

geometry 12 Gs 19

guaranteed sectors 12

H

Handling precautions 25 heads 1, 12

height 13 humidity 18

I

I/O data-transfer rate 13

DB35.3 Series Serial ATA Product Manual, Rev. D

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Contents DB35.3 Series Serial ATA Revision Date Sheets affected or comments Revision historyContents DB35.3 Series Serial ATA Product Manual, Rev. D List of Figures Page Introduction About the Serial ATA interface Specification summary tables Drive specificationsDrive specification ST3750640SCE ST3750840SCE Drive specifications summary for 750 Gbyte modelsDB35.3 Series Serial ATA Product Manual, Rev. D Drive specification ST3500830SCE ST3400820SCE Drive specifications summary for 500 and 400 Gbyte modelsFollowing web Drive specification ST3320820SCE ST3300820SCE Drive specifications summary for 320 and 300 Gbyte modelsDB35.3 Series Serial ATA Product Manual, Rev. D Drive specification ST3250820SCE Drive specifications summary for 250 Gbyte modelsInformation for your drive Cylinders Read/write heads Sectors per track 16,383 Default logical geometryLBA mode Formatted capacity750GB 500GB 400GB 320GB 300GB 250GB Physical characteristicsDrive specification Recording and interface technologyStart/stop times Power specificationsSeek time DC power requirements Operating power and currentIdle mode power Standby modeConducted noise Power-management modesActive mode Power modes Heads Spindle BufferIdle and Standby timers Idle modeSleep mode Environmental specifications Operating vibration Nonoperating shock Disc models4 Disc models VibrationIdle CE seek profile AcousticsFluid Dynamic Bearing FDB motor acoustics Agency certification Electromagnetic immunityReliability FCC verification Korean RRLAustralian C-Tick N176 RoHS MCV Environmental protectionPage Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveDrive mounting Mounting dimensions-top, side and end viewDB35.3 Series Serial ATA Product Manual, Rev. D 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 159 160 ATA-reserved 0000H 254 255 Integrity word XxA5H 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. commandsM.A.R.T. commands Technical Support InternetPresales Support Data Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index RRL Sata DB35.3 Series Serial ATA Product Manual, Rev. D Page Seagate Technology LLC

ST3400820SCE, ST3300820SCE, ST3750840SCE, ST3250820SCE, ST3750640SCE specifications

Seagate’s series of hard drives, including the ST3320820SCE, ST3500830SCE, ST3750640SCE, ST3250820SCE, and ST3750840SCE, comprise a robust lineup designed for both consumer and professional use.

The ST3320820SCE model features a storage capacity of 320GB and operates at a rotational speed of 7200 RPM, allowing for faster data access and improved overall performance. This drive is equipped with SATA interface, providing higher data transfer rates and enhanced connectivity options. Its 8MB cache enhances read and write speeds, thus making it suitable for multitasking environments.

In comparison, the ST3500830SCE offers a larger capacity with 500GB storage. This drive is also based on the same 7200 RPM speed standard, ensuring optimal performance for both gaming applications and data-heavy tasks. The SATA interface remains a central feature, promoting seamless integration into a range of PC configurations.

The ST3750640SCE takes the storage capabilities further, offering a generous 750GB space. It shares similar technological advancements such as the SATA interface and 7200 RPM speed, making it ideal for users needing extensive storage for multimedia files, software applications, and backups. The reliable performance alongside its increased capacity makes it a favored choice among professionals.

The ST3250820SCE model is targeted towards those needing a balance between performance and cost-efficiency. With a 250GB capacity, this drive provides ample space for everyday usage while maintaining a robust 7200 RPM speed and 8MB cache. This makes it an ideal option for entry-level systems and general-purpose computing.

Lastly, the ST3750840SCE offers up to 750GB of space, similar to the ST3750640SCE, but also incorporates advanced technologies for enhanced reliability and durability. This includes features like Seagate's Smart Align technology, which optimizes the drive's performance by efficiently managing data, especially with modern 4K sector drives.

Overall, these Seagate models cater to a wide spectrum of users, from casual home users to professionals requiring reliable and high-performance storage solutions. With a combination of speed, capacity, and innovative technologies, they stand out as solid choices in the hard drive market.
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