Seagate ST9250611NS Constellation.2™ SATA 6Gb/s 250GB Hard Drive User manual

Brand: Seagate

Model: ST9250611NS Constellation.2™ SATA 6Gb/s 250GB Hard Drive

Category: Internal hard drives

Type: User manual

Standard models

ST91000640NS

ST9500620NS

ST9250610NS

Self-Encrypting Drive Models

ST91000641NS

ST9500621NS

ST9250611NS

SED FIPS 140-2 Models

ST91000642NS

ST9500622NS

ST9250612NS

Constellation.2

v6 SATA Product Manual

100545983, Rev. G

April 2016

Publication number: 100545983, Rev. G April 2016

Seagate, Seagate Technology and the Spiral logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Raid Rebuild and SeaTools are either

trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other countries. The FIPS logo is a certification mark of NIST,

which does not imply product endorsement by NIST, the U.S., or Canadian governments.All other trademarks or registered trademarks are the property of their respective owners.

No part of this publication may be reproduced in any form without written permission of Seagate Technology LLC.

Call 877-PUB-TEK1 (877-782-8351) to request permission.

When referring to drive capacity, one gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes. Your computer’s operating system may use a different

standard of measurement and report a lower capacity. In addition, some of the listed capacity is used for formatting and other functions, and thus will not be available for data storage.

Actual quantities will vary based on various factors, including file size, file format, features and application software. Actual data rates may vary depending on operating environment

and other factors. The export or re-export of hardware or software containing encryption may be regulated by the U.S. Department of Commerce, Bureau of Industry and Security (for

more information, visit www.bis.doc.

gov), and controlled for import and use outside of the U.S. Seagate reserves the right to change, without notice, product offerings or specifications.

Document Revision History

Revision Date Sheets affected or comments

Rev. A 06/16/10 Initial release.

Rev. B 10/12/10 fc, 2, 15-19, 23-24 & 31.

Rev. C 02/14/11 5, 8, 10-12, 14 & 27.

Rev. D 03/15/11 13, 25, 29-30 & 33-34.

Rev. E 04/28/11 fc, 2 & 5.

Rev. F 02/27/12 fc, 2, 5, 28-31 & 35.

Rev. G 04/08/16 5, 9, 11, 24 & 27

Constellation.2 Serial ATA Product Manual, Rev. G 2

Contents

1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.1 Specification summary tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.2 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.2.1 LBA mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.3 Default logical geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.4 Recording and interface technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.5 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.6 Seek time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.7 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.8 Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.8.1 Power consumption. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.8.2 Conducted noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.8.3 Voltage tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.8.4 Power-management modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.9 Environmental limits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.9.1 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.9.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.9.3 Effective altitude (sea level). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.9.4 Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.9.5 Vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.10 Acoustics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.11 Electromagnetic immunity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.12 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.12.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) . . . . . . . . . . . . . 24

2.13 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.13.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.13.2 Electromagnetic compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.13.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

2.14 Environmental protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.14.1 European Union Restriction of Hazardous Substances (RoHS) Directive. . . . . . . . . . . . . . 26

2.14.2 China Restriction of Hazardous Substances (RoHS) Directive . . . . . . . . . . . . . . . . . . . . . . . 26

2.15 Corrosive environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.16 Reference documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

2.17 Product warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.1 Handling and static-discharge precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.2 Configuring the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.3 Serial ATA cables and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.4 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.4.1 Mechanical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.5 Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

4.0 About FIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.0 About self-encrypting drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.1 Data encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.2 Controlled access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.2.1 Admin SP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.2.2 Locking SP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.2.3 Default password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.3 Random number generator (RNG). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Constellation.2 Serial ATA Product Manual, Rev. G 3

5.4 Drive locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.5 Data bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.6 Cryptographic erase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.7 Authenticated firmware download. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.8 Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.9 Supported commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.10 RevertSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.11 ATA Security Erase Unit Command on SED drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.12 Sanitize Device - CRYPTO SCRAMBLE EXT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

6.0 Serial ATA (SATA) interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.1 Hot-Plug compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.2 Serial ATA device plug connector pin definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

6.3 Supported ATA commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.3.1 Identify Device command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

6.3.2 Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

6.3.3 S.M.A.R.T. commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Constellation.2 Serial ATA Product Manual, Rev. G 4

List of Figures

Figure 1. Typical 5V/12V startup and operation current profile for 1TB models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 2. Typical 5V/12V startup and operation current profile for 500GB models. . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 3. Typical 5V/12V startup and operation current profile for 250GB models. . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 4. Location of the HDA temperature check point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 5. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 6. Mounting dimensions—top, side and end view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 7. Air flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Figure 8. Example of FIPS tamper evidence labels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Constellation.2 Serial ATA Product Manual, Rev. G 5

For information regarding online support and services, visit: http://www.seagate.com/contacts/

For information regarding Warranty Support, visit: http://www.seagate.com/support/warranty-and-replacements/

For information regarding data recovery services, visit: http://www.seagate.com/services-software/seagate-recovery-

services/recover/

For Seagate OEM, Distribution partner and reseller portals, visit: http://www.seagate.com/partners

Seagate® Technology Support Services

Constellation.2 Serial ATA Product Manual, Rev. G 6

1.0 Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate

Constellation

.2 Serial ATA model drives:

Note. Previous generations of Seagate Self-Encrypting Drive models were called Full Disk Encryption (FDE)

models before a differentiation between drive-based encryption and other forms of encryption was

necessary.

Note. The Self-Encrypting Drive models indicated on the cover of this product manual have provisions for

“Security of Data at Rest” based on the standards defined by the Trusted Computing Group

(see www.trustedcomputinggroup.org).

For more information on FIPS 140-2 Level 2 certification see See Section 4.0 on page 32.

Model Number Self-Encrypting Drive (SED) FIPS 140-2 Level 2

ST91000640NS No No

ST91000641NS Yes No

ST91000642NS Yes Yes

ST9500620NS No No

ST9500621NS Yes No

ST9500622NS Yes Yes

ST9250610NS No No

ST9250611NS Yes No

ST9250612NS Yes Yes

Constellation.2 Serial ATA Product Manual, Rev. G 7

These drives provide the following key features:

• 7200 RPM spindle speed.

• High instantaneous (burst) data-transfer rates (up to 600MB/s).

• Perpendicular recording technology provides the drives with increased areal density.

• State-of-the-art cache and on-the-fly error-correction algorithms.

• Native Command Queueing with command ordering to increase performance in demanding applications.

• Full-track multiple-sector transfer capability without local processor intervention.

• Quiet operation.

• SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.

• Support for S.M.A.R.T. drive monitoring and reporting.

• Supports latching SATA cables and connectors.

• Worldwide Name (WWN) capability uniquely identifies the drive.

Constellation.2 Serial ATA Self-Encrypting Drive models have the following additional features:

• Automatic data encryption/decryption

• Controlled access

• Random number generator

•Drive locking

• 16 independent data bands

• Cryptographic erase of user data for a drive that will be repurposed or scrapped

• Authenticated firmware download

Note. There is no significant performance difference between Self-Encrypting Drive and standard (non-Self-

Encrypting Drive) models.

Constellation.2 Serial ATA Product Manual, Rev. G 8

1.1 About the Serial ATA interface

The Serial ATA interface provides several advantages over the traditional (parallel) ATA interface. The primary advan-

tages include:

• Easy installation and configuration with true plug-and-play connectivity. It is not necessary to set any jumpers or

other configuration options.

• Thinner and more flexible cabling for improved enclosure airflow and ease of installation.

• Scalability to higher performance levels.

In addition, Serial ATA makes the transition from parallel ATA easy by providing legacy software support. Serial ATA

was designed to allow you to install a Serial ATA host adapter and Serial ATA disc drive in your current system and

expect all of your existing applications to work as normal.

The Serial ATA interface connects each disc drive in a point-to-point configuration with the Serial ATA host adapter.

There is no master/slave relationship with Serial ATA devices like there is with parallel ATA. If two drives are attached

on one Serial ATA host adapter, the host operating system views the two devices as if they were both “masters” on two

separate ports. This essentially means both drives behave as if they are Device 0 (master) devices.

Note. The host adapter may, optionally, emulate a master/slave environment to host software where two

devices on separate Serial ATA ports are represented to host software as a Device 0 (master) and Device 1

(slave) accessed at the same set of host bus addresses. A host adapter that emulates a master/slave envi

ronment manages two sets of shadow registers. This is not a typical Serial ATA environment.

The Serial ATA host adapter and drive share the function of emulating parallel ATA device behavior to provide back-

ward compatibility with existing host systems and software. The Command and Control Block registers, PIO and DMA

data transfers, resets, and interrupts are all emulated.

The Serial ATA host adapter contains a set of registers that shadow the contents of the traditional device registers,

referred to as the Shadow Register Block. All Serial ATA devices behave like Device 0 devices. For additional informa-

tion about how Serial ATA emulates parallel ATA, refer to the “Serial ATA: High Speed Serialized AT Attachment” speci-

fication. The specification can be downloaded from www.serialata.or

Constellation.2 Serial ATA Product Manual, Rev. G 9

2.0 Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For

convenience, the phrases the drive and this drive are used throughout this manual to indicate the following drive mod-

els:

Unless otherwise stated, the information in this manual applies to standard and Self-Encrypting Drive models

Product data communicated in this manual is specific only to the model numbers listed in this manual. The data listed

in this manual may not be predictive of future generation specifications or requirements. If you are designing a system

which will use one of the models listed or future generation products and need further assistance, please contact your

Field Applications Engineer (FAE) or our global support services group (“Seagate® Technology Support Services” on

page 5).

2.1 Specification summary tables

The specifications listed in the following tables are for quick reference. For details on specification measurement or

definition, see the appropriate section of this manual.

Model Number Self-Encrypting Drive (SED) FIPS 140-2 Level 2

ST91000640NS No No

ST91000641NS Yes No

ST91000642NS Yes Yes

ST9500620NS No No

ST9500621NS Yes No

ST9500622NS Yes Yes

ST9250610NS No No

ST9250611NS Yes No

ST9250612NS Yes Yes

Constellation.2 Serial ATA Product Manual, Rev. G 10

Table 1: Drive specifications summary for 1TB, 500 and 250 GB models

Drive specification ST91000640NS

ST91000641NS

ST91000642NS

ST9500620NS

ST9500621NS

ST9500622NS

ST9250610NS

ST9250611NS

ST9250612NS

Formatted GB (512 bytes/sector)* 1000 500 250

Guaranteed sectors 1,953,525,168 976,773,168 488,397,168

Heads 8 4 2

Discs 4 2 1

Bytes per sector 512

Default sectors per track 63

Default read/write heads 16

Default cylinders 16,383

Recording density, KBPI (Kb/in max) 1544

Track density, KTPI (Ktracks/in avg.) 270

Areal density, (Gb/in

avg) 417

Spindle speed (RPM) 7200

Internal data transfer rate (Mb/s max) 1304

Sustained data transfer rate OD (MB/s max) 115

I/O data-transfer rate (MB/s max) 600

ATA data-transfer modes supported PIO modes 0–4

Multiword DMA modes 0–2

Ultra DMA modes 0–6

Cache buffer 64 MB

Weight: (maximum) 200 g (0.441 lb) 183 g (0.403 lb) 179 g (0.395 lb)

Average latency 4.16 ms

Power-on to ready (sec max) 20 sec

Standby to ready (sec max) 13 sec

Track-to-track seek time (ms typical) 0.23 read

0.44 write

Average seek, read (ms typical) 7.5

Average seek, write (ms typical) 8.5

Startup current (typical) 12V (peak) 2.0 amps

Voltage tolerance (including noise) 5V ±5%

12V ±5%

Ambient temperature 5° to 60°C (operating)

–40° to 70°C (nonoperating)

Temperature gradient (°C per hour max) 20°C (operating)

20°C (nonoperating)

Relative humidity 5% to 95% (operating)

5% to 95% (nonoperating)

Relative humidity gradient 20% per hour max

Wet bulb temperature (°C max) 28°C

Altitude, operating –60.96 m to 3,048 m

(–200 ft. to 10,000+ ft.)

Altitude, nonoperating

(below mean sea level, max)

–60.96 m to 12,192 m

(–200 ft. to 40,000+ ft.)

Operational Shock (max at 2 ms) Read 70 Gs / Write 40 Gs

Non-Operational Shock (max at 2 ms) 400 Gs

Vibration, operating 5–500 Hz: 0.5 Gs

Vibration, nonoperating 5–500 Hz: 3.0 Gs

Constellation.2 Serial ATA Product Manual, Rev. G 11

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

formatting.

**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to

operational levels.

2.2 Formatted capacity

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

formatting.

2.2.1 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.

See Section 6.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-bit

addressing support of drives with capacities over 137 GB.

2.3 Default logical geometry

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.

Drive acoustics, sound power (bels)

Active 2.8 (typical)

Idle** 2.2 (typical)

Nonrecoverable read errors 1 sector per 10

bits read

Annualized Failure Rate (AFR) 0.62%

Warranty To determine the warranty for a specific drive, use a web browser to access the

following web page:

http://www.seagate.com/www/en-us/support/warranty_&_returns_assistance

From this page, click on the “Is my Drive under Warranty” link. You will be asked to provide

the drive serial number, model number (or part number) and country of purchase.

The system will display the warranty information for your drive.

Load/Unload cycles 300,000 (25°C, 50% rel. humidity) (600,000 design life testing)

Supports Hotplug operation per

Serial ATA Revision 2.6 specification

Yes

Model Formatted capacity* Guaranteed sectors Bytes per sector

ST91000640NS

ST91000641NS

ST91000642NS

1000 GB 1,953,525,168

512

ST9500620NS

ST9500621NS

ST9500622NS

500 GB 976,773,168

ST9250610NS

ST9250611NS

ST9250612NS

250 GB 488,397,168

Cylinders Read/write heads Sectors per track

16,383 16 63

Drive specification ST91000640NS

ST91000641NS

ST91000642NS

ST9500620NS

ST9500621NS

ST9500622NS

ST9250610NS

ST9250611NS

ST9250612NS

Constellation.2 Serial ATA Product Manual, Rev. G 12

2.4 Recording and interface technology

2.5 Physical characteristics

Note. Refer to Figure 6, page 30 for detailed mounting configuration dimensions.

2.6 Seek time

Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive

diagnostics. The specifications in the table below are defined as follows:

• Track-to-track seek time is an average of all possible single-track seeks in both directions.

• Average seek time is a true statistical random average of at least 5,000 measurements of seeks between random

tracks, less overhead.

*Measured in performance mode.

Note. These drives are designed to consistently meet the seek times represented in this manual. Physical seeks,

regardless of mode (such as track-to-track and average), are expected to meet the noted values. However,

due to the manner in which these drives are formatted, benchmark tests that include command overhead

or measure logical seeks may produce results that vary from these specifications.

All models

Interface Serial ATA (SATA)

Recording method Perpendicular

Recording density, KBPI (Kb/in max) 1544

Track density, KTPI (Ktracks/in avg) 270

Areal density (Gb/in

avg) 417

Spindle speed (RPM) (± 0.2%) 7200

Internal data transfer rate (Mb/s max) 1304

Sustained data transfer rate (MB/s max) 115

I/O data-transfer rate (MB/s max) 600

Weight: (maximum)

1TB models

500GB models

250GB models

200 g (0.441 lb)

183 g (0.403 lb)

179 g (0.395 lb)

Cache buffer 64 MB (65,536 KB)

*Typical seek times (ms) Read Write

Track-to-track 0.23 0.44

Average 7.5 8.5

Full Stroke 17.06 18.08

Average latency: 4.16

Constellation.2 Serial ATA Product Manual, Rev. G 13

2.7 Start/stop times

2.8 Power specifications

The drive receives DC power (+5V or +12V) through a native SATA power connector. See Figure 5, page 29 on page 29.

2.8.1 Power consumption

Power requirements for the drives are listed in the table on page 9. Typical power measurements are based on an

average of drives tested, under nominal conditions, using 5.0V and 12.0V input voltage at 25°C ambient temperature.

• Spinup power

Spinup power is measured from the time of power-on to the time that the drive spindle reaches operating speed.

•Standby mode

During Standby mode, the drive accepts commands, but the drive is not spinning, and the servo and read/write

electronics are in power-down mode.

The standard drive models and the SED drive models have identical hardware, however the security and encryption

portion of the drive controller ASIC is enabled and functional in the SED models. This represents a small additional

drain on the 5V supply of about 30mA and a commensurate increase of about 150mW in power consumption. There is

no additional drain on the 12V supply.

Power-on to Ready (sec) 20 (max)

Standby to Ready (sec) 13 (max)

Ready to spindle stop (sec) 20 (max)

Constellation.2 Serial ATA Product Manual, Rev. G 14

Table 2: 1000GB drive (Standard & SED model) DC power requirements

*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to

operational levels.

Paramete

Voltage +5 V +12 V Power +5 V +12 V Power

Regulation (watts) (watts)

Average Idle Current 0.22 0.15 2.92 0.23 0.15 2.95

Advanced Idle Current

Idle1 0.22 0.15 2.91 0.23 0.15 2.96

Idle2 0.15 0.13 2.28 0.16 0.13 2.32

Idle3 0.15 0.09 1.84 0.16 0.09 1.89

Standby 0.14 0.04 1.20 0.14 0.04 1.23

Average Sleep Current 0.14 0.04 1.17 0.14 0.04 1.21

Maximum Start Current:

DC (Peak DC) 0.51 0.85 12.70 0.51 0.85 12.73

AC (Peak AC) 0.70 1.20 17.93 0.74 1.22 18.35

Delayed Motor Start (DC max) 0.14 0.04 1.20 0.14 0.0

1.2

Peak Operating Current (random read):

Typical DC 0.30 0.32 5.39 0.31 0.32 5.43

Maximum DC 0.30 0.33 5.45 0.32 0.33 5.52

Maximum DC (peak) 1.04 0.88 15.76 1.02 0.90 15.90

Peak Operating Current (random write):

Typical DC 0.38 0.27 5.20 0.39 0.27 5.25

Maximum DC 0.39 0.27 5.23 0.40 0.28 5.32

Maximum DC (peak) 0.94 0.88 15.26 0.96 0.90 15.60

Peak operating current (sequential read):

Typical DC 0.61 0.18 5.17 0.62 0.18 5.21

Maximum DC 0.62 0.18 5.24 0.64 0.18 5.31

Maximum DC (peak) 0.82 0.34 8.18 0.86 0.3

8.3

Peak operating current (sequential write):

Typical DC 0.77 0.18 5.96 0.78 0.18 6.00

Maximum DC 0.78 0.18 6.04 0.81 0.18 6.16

Maximum DC (peak) 0.98 0.34 8.98 0.98 0.38 9.46

(3.0GB) (6.0GB)

+/-5% +/-5%

ST91000640NS ST91000640NS

Constellation.2 Serial ATA Product Manual, Rev. G 15

500GB drive (Standard & SED model) DC power requirements

*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to

operational levels.

Paramete

Voltage +5 V +12 V Power +5 V +12 V Power

Regulation (watts) (watts)

Average Idle Current 0.22 0.11 2.40 0.23 0.11 2.44

Advanced Idle Current

Idle1 0.22 0.11 2.40 0.23 0.11 2.43

Idle2 0.16 0.09 1.88 0.16 0.09 1.93

Idle3 0.16 0.07 1.64 0.16 0.07 1.67

Standby 0.14 0.04 1.17 0.15 0.04 1.22

Average Sleep Current 0.14 0.04 1.17 0.15 0.04 1.20

Maximum Start Current:

DC (Peak DC) 0.47 0.80 11.93 0.47 0.80 11.98

AC (Peak AC) 0.69 1.18 17.66 0.63 1.19 17.38

Delayed Motor Start (DC max) 0.14 0.04 1.19 0.15 0.0

1.2

Peak Operating Current (random read):

Typical DC 0.29 0.27 4.69 0.29 0.27 4.73

Maximum DC 0.29 0.27 4.74 0.30 0.28 4.79

Maximum DC (peak) 0.96 0.82 14.64 1.00 0.86 15.32

Peak Operating Current (random write):

Typical DC 0.37 0.23 4.55 0.37 0.23 4.59

Maximum DC 0.37 0.23 4.61 0.38 0.23 4.65

Maximum DC (peak) 0.90 0.86 14.82 0.92 0.84 14.68

Peak operating current (sequential read):

Typical DC 0.58 0.13 4.46 0.59 0.13 4.49

Maximum DC 0.59 0.13 4.54 0.60 0.13 4.55

Maximum DC (peak) 0.76 0.30 7.40 0.80 0.3

7.6

Peak operating current (sequential write):

Typical DC 0.75 0.13 5.28 0.75 0.13 5.31

Maximum DC 0.77 0.13 5.40 0.77 0.13 5.40

Maximum DC (peak) 0.92 0.30 8.20 0.98 0.28 8.26

ST9500620NS ST9500620NS

(3.0GB) (6.0GB)

+/-5% +/-5%

Constellation.2 Serial ATA Product Manual, Rev. G 16

250GB drive (Standard & SED model) DC power requirements

*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to

operational levels.

Paramete

Voltage +5 V +12 V Power +5 V +12 V Power

Regulation (watts) (watts)

Average Idle Current 0.22 0.09 2.23 0.23 0.09 2.25

Advanced Idle Current

Idle1 0.22 0.09 2.22 0.22 0.09 2.24

Idle2 0.16 0.08 1.81 0.17 0.08 1.82

Idle3 0.16 0.07 1.61 0.16 0.07 1.63

Standby 0.14 0.04 1.20 0.15 0.04 1.24

Average Sleep Current 0.14 0.04 1.20 0.15 0.04 1.22

Maximum Start Current:

DC (Peak DC) 0.51 0.78 11.96 0.52 0.78 11.92

AC (Peak AC) 0.64 1.14 16.93 0.60 1.14 16.70

Delayed Motor Start (DC max) 0.15 0.04 1.24 0.16 0.0

1.2

Peak Operating Current (random read):

Typical DC 0.29 0.26 4.54 0.30 0.26 4.61

Maximum DC 0.29 0.26 4.63 0.30 0.27 4.71

Maximum DC (peak) 0.96 0.84 14.88 0.96 0.82 14.64

Peak Operating Current (random write):

Typical DC 0.39 0.21 4.48 0.39 0.22 4.55

Maximum DC 0.39 0.22 4.55 0.40 0.22 4.64

Maximum DC (peak) 0.82 0.84 14.18 0.84 0.80 13.80

Peak operating current (sequential read):

Typical DC 0.57 0.11 4.17 0.58 0.11 4.22

Maximum DC 0.58 0.11 4.25 0.59 0.11 4.32

Maximum DC (peak) 0.74 0.28 7.06 0.78 0.2

7.0

Peak operating current (sequential write):

Typical DC 0.70 0.11 4.81 0.70 0.11 4.86

Maximum DC 0.71 0.11 4.89 0.72 0.11 4.95

Maximum DC (peak) 0.86 0.26 7.42 0.90 0.26 7.62

(3.0GB) (6.0GB)

+/-5% +/-5%

ST9250610NS ST9250610NS

Constellation.2 Serial ATA Product Manual, Rev. G 17

2.8.1.1 Typical current profiles

Figure 1. Typical 5V/12V startup and operation current profile for 1TB models

Figure 2. Typical 5V/12V startup and operation current profile for 500GB models

Constellation.2 Serial ATA Product Manual, Rev. G 18

Figure 3. Typical 5V/12V startup and operation current profile for 250GB models

2.8.2 Conducted noise

Noise is specified as a periodic and random distribution of frequencies covering a defined frequency. Maximum

allowed noise values given below are peak-to-peak measurements and apply at the drive power connector.

• +5v = 250 mV pp from 100 Hz to 20 MHz.

• +12v = 450 mV pp from 100 Hz to 100 KHz.

= 250 mV pp from 100 KHz to 20 MHz

= 150 mV pp from 20 MHz to 80 MHz

Note. Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current.

2.8.3 Voltage tolerance

Voltage tolerance (including noise):

± 5%

12V

± 5%

Constellation.2 Serial ATA Product Manual, Rev. G 19

2.8.4 Power-management modes

The drive provides programmable power management to provide greater energy efficiency. In most systems, you can

control power management through the system setup program. The drive features the following power-management

modes:

• Active mode

The drive is in Active mode during the read/write and seek operations.

• Idle mode

The buffer remains enabled, and the drive accepts all commands and returns to Active mode any time disc access

is necessary.

• Standby mode

The drive enters Standby mode when the host sends a Standby Immediate command. If the host has set the

standby timer, the drive can also enter Standby mode automatically after the drive has been inactive for a specifi-

able length of time. The standby timer delay is established using a Standby or Idle command. In Standby mode,

the drive buffer is enabled, the heads are parked and the spindle is at rest. The drive accepts all commands and

returns to Active mode any time disc access is necessary.

• Sleep mode

The drive enters Sleep mode after receiving a Sleep command from the host. In Sleep mode, the drive buffer is dis-

abled, the heads are parked and the spindle is at rest. The drive leaves Sleep mode after it receives a Hard Reset or

Soft Reset from the host. After receiving a reset, the drive exits Sleep mode and enters Standby mode with all cur-

rent translation parameters intact.

• Idle and Standby timers

Each time the drive performs an Active function (read, write or seek), the standby timer is reinitialized and begins

counting down from its specified delay times to zero. If the standby timer reaches zero before any drive activity is

required, the drive makes a transition to Standby mode. In both Idle and Standby mode, the drive accepts all com-

mands and returns to Active mode when disc access is necessary.

2.8.4.1 Extended Power Conditions - PowerChoice

Utilizing the load/unload architecture a programmable power management interface is provided to tailor systems for

reduced power consumption and performance requirements.

The table below lists the supported power conditions available in PowerChoice. Power conditions are ordered from

highest power consumption (and shortest recovery time) to lowest power consumption (and longest recovery time)

as follows: Idle_a power >= Idle_b power >= Idle_c power >= Standby_z power. The further you go down in the table,

the more power savings is actualized. For example, Idle_b results in greater power savings than the Idle_a power con-

dition. Standby results in the greatest power savings.

Power modes Heads Spindle Buffer

Active Tracking Rotating Enabled

Idle_a ID Biased Rotating Enabled

Idle_b Parked Rotating Enabled

Idle_c Parked Rotating at lower RPM Enabled

Standby Parked Stopped Enabled

Sleep Parked Stopped Disabled

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Seagate ST9250611NS Constellation.2™ SATA 6Gb/s 250GB Hard Drive User manual

Brand: Seagate

Model: ST9250611NS Constellation.2™ SATA 6Gb/s 250GB Hard Drive

Category: Internal hard drives

Type: User manual

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Seagate ST9250611NS Constellation.2™ SATA 6Gb/s 250GB Hard Drive User manual

Seagate ST9250611NS Constellation.2™ SATA 6Gb/s 250GB Hard Drive User manual

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