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SV35.3 Series

3.5-inch hard drives for surveillance  

digital video recorders

Specifications

1 TB

1

750 GB

1

500 GB

1

250 GB

1

Model Number

ST31000340SV

ST3750330SV

ST3500320SV

ST3250310SV

Interface Options

SATA 3Gb/s

SATA 3Gb/s

SATA 3Gb/s

SATA 3Gb/s

Performance

Average Seek (ms, typical)
   Read
   Write

 
<14
<15 

  
<14
<15 

  
<14
<15 

 
<14
<15

Cache, Multisegmented (MB)

32

32

32

8

SATA Data Transfer Modes Supported (Gb/s)

3.0/1.5

3.0/1.5

3.0/1.5

3.0/1.5

Track-to-Track Seek (ms, typical)
   Read
   Write

 
<1.0
<2

 
<1.0
<2

 
<1.0
<2

 
<1.0
<2

Power-On to Ready  
(sec, typical, @ 25°C and nominal voltage)

16

16

16

16

Voltage

Voltage Tolerance (including noise)

5.0V +10%/–7.5%
12V +10%/–7.5%

5.0V +10%/–7.5%
12V +10%/–7.5%

5.0V +10%/–7.5%
12V +10%/–7.5%

5V ±5%  
12V ±10%

Configuration/Organization

Bytes per Sector

512

512

512

512

Guaranteed Sectors

1,953,525,168

1,465,149,168

976,773,168

488,397,168

Reliability/Data integrity

Nonrecoverable Read Errors per Bits Read

1 sector per 10E14 1 sector per 10E14 1 sector per 10E14 1 sector per 10E14

MTBF (hours)/Annualized Failure Rate (AFR) 40°C  
HDD Case Temp

>1 million/<1%

>1 million/<1%

>1 million/<1%

>1 million/<1%

Contact Start-Stop Cycles  
(25°C, 50% relative humidity)

50,000

50,000

50,000

50,000

Power Management

Maximum Startup Current (12 V typical, amps)

2

2

2

2

Operating Mode (typical, W)

9.8

9.8

9.8

8.0

Standby/Sleep Mode (typical, W)

1.0

1.0

1.0

1.0

Environmental

Temperature 
    Operating (ambient min °C) 
    Operating (drive case max °C) 
    Nonoperating (ambient min °C)
    Nonoperating (ambient max °C)

 
0
70
–40
70

 
0
70
–40
70

 
0
70
–40
70

 
0
75
–40
70

Temperature Gradient (°C per hour max),  
Operating/Nonoperating

20/30

20/30

20/30

20/30

Relative Humidity
   Operating (non-condensing, %) 
   Nonoperating (non-condensing, %)

5 to 90
5 to 95

5 to 90
5 to 95

5 to 90
5 to 95

5 to 90
5 to 95

Wet Bulb Temperature (°C max), Operating/
Nonoperating

37.7/40.0

37.7/40.0

37.7/40.0

37.7/40.0

Shock, Operating: 2 ms (Gs)

63

63

63

63

Shock, Nonoperating: 2 ms (Gs)

300

300

300

350

Acoustic, Idle (typical/max bels)

2.7/2.9

2.7/2.9

2.7/2.9

2.5/2.8

Vibration
   5 to 22 Hz, Displacement Limited, Operating/    
   Nonoperating (Gs)
   22 to 350 Hz, Operating/Nonoperating (Gs)
   350 to 500 Hz, Operating/Nonoperating (Gs)

0.25/2.0
0.5/5.0
0.25/2.0

0.25/2.0
0.5/5.0
0.25/2.0

0.25/2.0
0.5/5.0
0.25/2.0

0.5/5.0
0.5/5.0
0.25/1.0

Physical

Height (mm/in)

26.11/1.028

26.11/1.028

26.11/1.028

 20.2/0.794

Width (mm/in)

101.6/4.000

101.6/4.000

101.6/4.000

101.6/4.000

Depth (mm/in)

146.99/5.787

146.99/5.787

146.99/5.787

146.99/5.787

Weight (g/lb)

665/1.466

630/1.389

530/1.168

 382/0.842

1

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

 

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 © 2007 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. 
SV35 Series is either a trademark or registered trademark 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.  Quantitative usage examples for various applications are for illustrative purposes. 
Actual quantities will vary based on various factors, including file size, file format, features and application software. Seagate reserves the right to change, without notice, product offerings or specifications. Publication number: DS1638.1-
0712US, December 2007

The Seagate

®

 SV35 Series

 drive enables security industry 

manufacturers, integrators and installers to accomplish 
more with less, greatly improving their surveillance solution 
offerings in terms of capacity, reliability, performance and 
features—all while taking advantage of an industry-leading 
Seagate 5-year limited warranty.

Capacity

  Longer archival periods enable customers to retain video 

for long-term analysis and evidentiary purposes 

  Can store up to 289 days of video data or 32 days in 

high-resolution*

  Enables high-resolution video streams for intelligent 

video applications or analytics

*  289 days at 10 fps and 640x480 resolution; 32 days at 30 fps and 720x480 

resolution with MPEG4 compressed video (I and P frames only). Actual 
recording times may vary based on video quality and compression format.

Reliability

Given the potentially critical nature of the security data 
involved, the application-specific features employed in 
the SV35 Series drive to enhance reliability take on even 
greater importance.

  24x7 operation with >1 million hours MTBF 

  Lower startup current (2.0 amps), enabling the use  

of low-cost power supplies 

  Power-saving features provide more efficient  

system cooling

  Intelligent workload monitoring and management

Performance

  Enhanced caching capabilities

  SATA interface increases video data rates (480 Mb/s)

  Up to 3Gb/s bandwidth

  ATA-7 streaming commands guarantee smooth, reliable 

video streaming and high-integrity database updates

Dedication

  Unparalleled Seagate technical and marketing support 

infrastructure dedicated to video surveillance customers

  Field engineering and business support teams available 

in person, worldwide

  Third-generation SV35 Series drives deliver proven 

industry reliability and performance

  Backed by the industry’s best warranty—Seagate  

5-year limited warranty

Seagate Design Service Centers 

  Expertise in helping surveillance equipment companies 

and manufacturers overcome technical issues and 
improve system designs

  Speeds your time to market by solving performance  

and reliability design issues quickly and efficiently

  Advanced application design advice available through 

our design centers throughout the world

www.seagate.com  
1-800-SEAGATE (1-800-732-4283)

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