Seagate 500GB 3.5" SATA II ST3500641NS Prospecto

Copyright © 2006 Seagate Technology LLC. All rights reserved. Printed in USA. Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate
Technology LLC. NL35 Series is either a trademark or registered trademark of Seagate Technology LLC. All other trademarks or registered trademarks are the property of
their respective owners. One gigabyte, or GB, equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating
environment. Seagate reserves the right to change, without notice, product offerings or specifications. Publication Number: DS-1588.1, January 2006

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 SA  130-136, rue de Silly, 92773 Boulogne-Billancourt Cedex, France, 33 1-41 86 10 00

Seagate offers the industry’s leading warranty to
demonstrate our commitment to product reliability and our
customers’ success. Every Seagate internal hard drive is
covered under our unprecedented five-year warranty.

• Higher reliability in nearline workloads to meet

demands of 24x7 nearline RAID environments

• Seagate proprietary Workload Management technology

protects drives from extreme workloads to optimize
drive reliability

• NCQ (Native Command Queuing) combines with 8- or

16-Mbyte cache memory to ensure more efficient
processing of peak nearline workloads

• Speaks the “language” of complex system controllers

and hosts to simplify system integration, improve RAID
performance and reduce drive failures

• Offers industry’s most comprehensive set of nearline

RAID integration features, including Error Recovery
Control, One-Step Microcode Download and Write Same

• High tolerance to rotational vibration makes NL35

Series drives ideal for closely-packed RAID system
designs

Nearline-ready 500GB, 400GB and 250GB SATA* disc drives

Model Number

Interface/External Transfer Rate (Mbytes/sec)

Spindle Speed (RPM)

Average Latency (msec)

Seek Time

Average Read/Write (msec)

Track-to-Track Read/Write (msec)

Transfer Rate

Maximum Internal (Mbits/sec)

Maximum Internal Formatted (Mbytes/sec)

Maximum Sustained (Mbytes/sec)

Cache, Multisegmented (Mbytes)

Bytes per Sector

Nonrecoverable Read Errors per Bits Read

Error Control/Correction (ECC)

Media scanning

Interface ports

Typical (watts)

Idle Average (watts)

Standby Average (watts)

Temperature, Operating (°C) 

Temperature, Nonoperating (°C)

Shock, Operating: 2 msec (Gs) 

Shock, Nonoperating: 2 msec (Gs) 

Acoustics Idle (bels—sound power)

Rotational Vibration (Rad/sec)

Height (in/mm)

Width (in/mm)

Depth (in/mm)

Weight (lb/g)

Limited warranty (years)

ST3500841NS
ST3500641NS

150
300

7200

4.16

8.0/9.0

0.8/ 1.0

754

95

65

8, 16

512

1 sector per 10

14

10 bit

Offline Scan

Single

13.0

7.4

0.8

0 to 60

–40 to 70

63

350

2.8

12.5

1/26.11

4/101.85

5.78/146.99

1.4/0.635

5

ST3400832NS
ST3400632NS

150
300

7200

4.16

8.0/9.0

0.8/ 1.0

754

95

65

8, 16

512

1 sector per 10

14

10 bit

Offline Scan

Single

9.2

7.7

1.2

0 to 60

–40 to 70

63

300

2.8

8.5

1/26.11

4/101.85

5.78/146.99

1.4/0.635

5

ST3250823NS
ST3250623NS

150
300

7200

4.16

8.0/9.0

0.8/ 1.0

754

95

65

8, 16

512

1 sector per 10

14

10 bit

Offline Scan

Single

9.2

7.7

1.2

0 to 60

–40 to 70

63

300

2.8

8.5

1/26.11

4/101.85

5.78/146.99

1.4/0.635

5

1

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

*Fibre Channel versions available exclusively through leading storage system manufacturers.