Seagate ES.2 データシート

Specifications

1 TB

750 GB

500 GB

250 GB

Model Number

ST31000340NS
ST31000640SS

ST3750330NS
ST3750630SS

ST3500320NS
ST3500620SS

ST3250310NS

Interface

SATA 3Gb/s, 1.5Gb/s
SAS 3Gb/s

SATA 3Gb/s, 1.5Gb/s

External Transfer Rate (Gb/s)

3.0

Performance

Transfer Rate
Maximum Internal (Mb/s)
Maximum Sustained, SATA (MB/s)
Maximum Sustained, SAS (MB/s)

1287
105
116

Cache, Multisegmented (MB)
SATA
SAS

32
16

32
—

Average Latency (msec)

4.16

Spindle Speed (RPM)

7200

Seek Time
Average Read/Write (msec)
Track-to-Track Read/Write (msec)

8.5/9.5
0.8/1.0

Configuration/Organization

Bytes per Sector
SATA
SAS

512
512, 520, 524, 528

512
—

Reliability/Data Integrity

Mean Time Between Failures (MTBF, hours)

1.2 million

Reliability Rating at Full 24x7 Operation (AFR)

0.73%

Nonrecoverable Read Errors per Bits Read

1 sector per 10E15

Error Control/Correction (ECC)

10 bit

Interface Ports
SATA
SAS

Single
Dual

Single
—

Limited Warranty (years)

Power Management

Typical (W)
SATA
SAS

11.6
12.5

10.6
12.5

10.6
—

Idle Average (W)
SATA
SAS

8.0
9.0

8.0
—

Environmental

Temperature, Operating (°C)

5 to 55

Temperature, Nonoperating (°C)

–40 to 70

Shock, Operating: 2 ms (Gs)

Shock, Nonoperating: 2 ms (Gs)

300

Acoustics Idle (bels—sound power)

2.7

2.5

Rotational Vibration @ 1500 Hz max (Rad/sec

)

12.5

Physical

Height (in/mm)

1.02/26.11

Width (in/mm)

4/101.6

Depth (in/mm)

5.78/146.99

Weight (lb/kg)

1.493/0.677

1.396/0.633

1.199/0.543

1.141/0.518

One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes when referring to hard drive capacity.

Barracuda

ES.2

High-capacity, business-critical Tier 2 enterprise drives

AMERICAS

Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066, United States, 831-438-6550

ASIA/PACIFIC

Seagate Technology International Ltd. 7000 Ang Mo Kio Avenue 5, Singapore 569877, 65-6485-3888

EUROPE, MIDDLE EAST AND AFRICA

Seagate Technology SAS 130–136, rue de Silly, 92773, Boulogne-Billancourt Cedex, France 33 1-4186 10 00

Copyright © 2008 Seagate Technology LLC. All rights reserved. Printed in USA. Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries.
Barracuda, DiscWizard and PowerTrim are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other countries. All other trademarks or registered trademarks
are the property of their respective owners. When referring to hard 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. Seagate reserves the right to change, without notice,
product offerings or specifications. Publication Number: DS1627.5-0805US, May 2008

Seagate Makes the Best Even Better
With a 5-Year Limited Warranty

•

1-TB Seagate Barracuda ES.2 drive

provides 33 percent more capacity than
its predecessor.

•

With a choice of either SATA or SAS

interfaces, the Barracuda ES.2 drive
utilizes perpendicular recording technology
to deliver the industry’s highest-capacity
4-platter drive. SAS delivers up to a 38
percent IOPS/watt improvement over
SATA.

•

The best 7200-RPM reliability for

24x7 business-critical applications from
a trusted source, backed by a 5-year
limited warranty

•

Multi-drive firmware features and

best-in-class rotational vibration (RV)
tolerance maximizes system availability
and performance in multi-drive systems.
Seagate proprietary Workload Management
technology helps systems keep drives cool.

Seagate Global Customer Support

•

Get presales and technical support

at support.seagate.com.

•

Visit our knowledge base for answers

to common support questions.

•

Find documentation for current and

legacy drives.

•

Utilize our online troubleshooting and

diagnostic tools.

•

Download DiscWizard

™

to help migrate

data from an older drive.

•

Seagate Design Service Centers (DSC)

help companies transform innovative
ideas into viable products.