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Copyright © 2005 Seagate Technology LLC.All rights reserved. Printed in USA. Seagate,Seagate Technology and the Wave logo are registered trademarks of Seagate
Technology LLC. LD25 Series is a trademark or registered trademark of Seagate Technology LLC. Other product names are trademarks or registered trademarks of their
owners. One gigabyte,or Gbyte, equals one billion bytes when referring to hard drive capacity.Accessible capacity may vary depending on operating environment and
formatting. Seagate reserves the right to change, without notice,product offerings or specifications. Publication Number: DS-1583-001,July 2005
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
Uniquely designed for stationary
appliances or low-profile computing
platforms
• Provides 2.5-inch storage options without the cost
burden of drives designed for notebook PCs or other
mobile applications
• Low-profile form factor delivers up to 40 Gbytes of
storage while enabling innovative industrial designs
suited for stylish consumer electronic systems.
• Quiet operation and low power consumption help
enable reliable, distraction-free delivery of multimedia
content.
Seagate Design Service Centers
• Expertise in helping consumer electronics (CE)
companies and manufacturers overcome technical
issues
• Speeds your time to market by solving CE design
issues quickly and efficiently
• Improves your product’s reliability and performance
• Field engineering and business support teams are
available in person, worldwide
• Advanced application design advice available through
our design centers in USA and Singapore
World-Class Technical Support
• Certified, experienced support staff
• Rated “Above Average to Excellent”
• Support lines with shortest wait times
• Individually archived case histories
• Web-based Q&A forum and autoreply e-mail
www.seagate.com
1-800-732-4283 (1-800-SEAGATE)
LD25 Series
Small, economical and silent storage options for stationary consumer systems.
Model Number
Interface Options
Performance
Spindle Speed (RPM)
Average Latency (msec)
Seek Time
Average Read/Write (msec)
Transfer Rate
Maximum Internal (Mbytes/sec)
Maximum Sustained (Mbytes/sec)
Cache, Multisegmented (Mbytes)
Configuration/Organization
Bytes per Sector
Reliability/Data integrity
Nonrecoverable Read Errors per Bits Read
Power Management
Startup current (5V, typical Amps)
Seek (typical, watts)
Idle Average (watts)
Standby Average (watts)
Environmental
Temperature, Operating (°C)
Temperature, Nonoperating (°C)
Shock, Operating: 2 msec (Gs)
Shock, Nonoperating: 1 msec (Gs)
Acoustics Idle (bels—sound power)
Rotational Vibration (Rad/sec, Gs)
Physical
Height (mm)
Width (mm)
Depth (mm)
Weight (g)
40 GB
1
Specifications
ST9402115AS
ST9402115A
SATA/150
Ultra ATA/100
5400
5.6
<16
57.6
150/100
2
512
1 sector per 10
14
1
2.9
2.5
<1.5
5 to 55
–40 to 70
100
500
2.4
.5
9.5
69.85
100.51
100
20 GB
1
ST920217AS
ST920217A
SATA/150
Ultra ATA/100
5400
5.6
<16
57.6
150/100
2
512
1 sector per 10
14
1
2.9
2.5
<1.5
5 to 55
–40 to 70
100
500
2.4
.5
5.0 +/–0.1
69.85
100.51
100
1
One gigabyte, or GB, equals one billion bytes when referring to hard drive capacity.