Seagate DB35.3 Series Serial ATA Datasheet Download Page 2

DB35.3 Series

Quiet, reliable hard drives tuned for digital entertainment 

with the industry’s broadest range of capacity choices

Specifications

750 GB

1

500 GB

1

400 GB

1

320 GB

1

250 GB

1

160 GB

1

80 GB

1

Model Number

ST3750640SCE
ST3750840SCE
ST3750840ACE

ST3500830SCE
ST3500830ACE

ST3400820SCE
ST3400820ACE

ST3320820SCE
ST3320820ACE  

ST3250820SCE
ST3250820ACE

ST3160215SCE
ST3160215ACE

ST380215SCE
ST380215ACE

Interface Options

SATA 3Gb/s  
Ultra ATA 100

SATA 3Gb/s  
Ultra ATA 100

SATA 3Gb/s  
Ultra ATA 100

SATA 3Gb/s  
Ultra ATA 100

SATA 3Gb/s  
Ultra ATA 100

SATA 3Gb/s  
Ultra ATA 100

SATA 3Gb/s  
Ultra ATA 100

Performance

Cache, Multisegmented (MB)

16, 8

8

8

8

8

2

2

SATA Data Transfer Modes Supported (Gb/s)

3.0/1.5

3.0/1.5

3.0/1.5

3.0/1.5

3.0/1.5

3.0/1.5

3.0/1.5

Simultaneous SDTV Streams Supported  (Assumes 256K host buffer per stream)

10

10

10

10

10

10

10

Simultaneous HDTV Streams Supported  (Assumes 2MB host buffer per stream)

10

10

10

10

10

10

10

Power-On to Ready (typical, sec)

16

16

16

16

16

16

16

Standby to Ready (typical, sec)

16

16

16

16

16

16

16

Transfer Rate
   Maximum External, PATA (MB/s)
   Maximum External, SATA (MB/s)

100
300

100
300

100
300

100
300

100
300

100
300

100
300

Voltage

Voltage Tolerance (including noise)

5V ± 5%, 12V ± 10%

Environmental

Ambient Temperature (°C)
   Operating
   Nonoperating

0 to 60
–40 to 70

0 to 60
–40 to 70

0 to 60
–40 to 70

0 to 60
–40 to 70

0 to 60
–40 to 70

0 to 60
–40 to 70

0 to 60
–40 to 70

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

20/30

20/30

20/30

20/30

20/30

20/30

20/30

Relative Humidity, Operating/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

5 to 90/5 to 95

5 to 90/5 to 95

5 to 90/5 to 95

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

37.7

37.7

37.7

37.7

37.7

37.7

37.7

Shock
   Operating: 2 msec (max, Gs)
   Nonoperating: 1 msec (max, Gs)

63
300

63
300

63
300

63
300

63
300

63
350

63
350

Vibration, operating
   5-22 Hz (limited displacement) (Gs)
   22-350 Hz (Gs)
   350-500 Hz (Gs)

 
0.25
0.50
0.25

 
0.25
0.50
0.25

 
0.25
0.50
0.25

 
0.25
0.50
0.25

 
0.25
0.50
0.25

0.50
0.50

0.50
0.50

Vibration, Nonoperating
   5-22 Hz (limited displacement) (Gs)
   22-350 Hz (Gs)
   350-500 Hz (Gs)

 
0.25
5.00
1.00

 
0.25
5.00
1.00

 
0.25
5.00
1.00

 
0.25
5.00
1.00

 
0.25
5.00
1.00

Power Management

Startup Current (12 V typical, amps)

2.0

2.0

2.0

2.0

2.0

2.0

2.0

Consumer Storage Profile
   PATA (watts)
   SATA (watts)

8.20
9.4

8.20
9.4

8.20
9.4

8.20
9.4

8.20
9.4

5.0
5.8

5.0
5.8

Idle Average (watts)

9.3

9.3

9.3

9.3

9.3

4.8

4.8

Standby/Sleep Mode (typical, watts)

0.8

0.8

0.8

0.8

0.8

0.8

0.8

Acoustics

PVR Profile
   PATA (typical/max, bels)
   SATA (typical/max, bels)

2.9/3.0
3.0/3.1

2.9/3.0
3.0/3.1

2.8/2.9
2.9/3.0

2.8/2.9
2.9/3.0

2.7/2.8
2.8/2.9

2.2/2.3
2.2/2.3

2.2/2.3
2.2/2.3

Reliability

Nonrecoverable Read Errors per Bits Read

1 sector per 10

14

1 sector per 10

14

1 sector per 10

14

1 sector per 10

14

1 sector per 10

14

1 sector per 10

14

1 sector per 10

14

Annualized Failure Rate (AFR)

0.68%

0.68%

0.68%

0.68%

0.68%

0.68%

0.68%

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

50,000

50,000

50,000

50,000

50,000

50,000

50,000

Dimensions

Height (mm/in, max)

26.1/1.028

26.1/1.028

26.1/1.028

26.1/1.028

26.1/1.028

19.99/0.787

19.99/0.787

Width (mm/in, max)

101.6/4.00

101.6/4.00

101.6/4.00

101.6/4.00

101.6/4.00

101.6/4.010

101.6/4.010

Depth (mm/in, max)

146.99/5.787

146.99/5.787

146.99/5.787

146.99/5.787

146.99/5.787

146.6/5.787

146.6/5.787

Weight (g/lb, max)

720/1.59

720/1.59

635/1.40

580/1.28

580/1.28

380/0.838

380/0.838

1

One gigabyte, or GB, equals one billion 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 © 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. 
DB35 Series, DynaPlay, Seagate Secure and SoftSonic 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. 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. DS1601.6-0812US, December 2008

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

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