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DiamondMax 23 drives conform to the
requirements of the European Union Directive in
Restriction of Hazardous Substances (RoHS).
DiamondMax
®
23
Maxtor Value With Seagate Quality and Reliability
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 © 2009 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.
Maxtor, the Maxtor logo and DiamondMax 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. DS1669.3-0905US, May 2009
Maxtor DiamondMax 23 hard drives follow the
Maxtor tradition of delivering well-engineered,
reliable value solutions for applications needing
good performance and mainstream storage in
capacities from 160 GB to 1 TB. DiamondMax 23
drives are ideal for home and business PCs and
general storage applications.
Specifications
1 TB
1
750 GB
1
500 GB
1
320 GB
1
250 GB
1
160 GB
1
Model Number
STM31000528AS STM3750528AS STM3500418AS STM3320418AS STM3250318AS STM3160318AS
Interface
SATA 3Gb/s NCQ SATA 3Gb/s NCQ SATA 3Gb/s NCQ SATA 3Gb/s NCQ SATA 3Gb/s NCQ SATA 3Gb/s NCQ
Performance
Transfer Rate, Max Ext (MB/s)
300 300 300 300 300 300
Sustained Data Rate, Max Ext (MB/s)
125 125 125 125 125 125
Cache, Multisegmented (MB)
32 32 16 16 8 8
Average Latency (ms)
4.17 4.17 4.17 4.17 4.17 4.17
Spin Speed (RPM)
7200 7200 7200 7200 7200 7200
Configuration/Organization
Bytes per Sector
512 512 512 512 512 512
Reliability/Data Integrity
Contact Start-Stops
50,000 50,000 50,000 50,000 50,000 50,000
Nonrecoverable Read Errors per Bits Read
1 per 10E14 1 per 10E14 1 per 10E14 1 per 10E14 1 per 10E14 1 per 10E14
Annualized Failure Rate (AFR)
0.34% 0.34% 0.34% 0.34% 0.34% 0.34%
Limited Warranty (years)
3 3 3 3 3 3
Power Management
Startup Current +12V Peak (A, ±10%)
2.0 2.0 2.0 2.0 2.0 2.0
Operating, Average (W)
<9.4 <9.4 <8.0 <8.0 <8.0 <8.0
Idle, Average (W)
<5.0 <5.0 <5.0 <5.0 <5.0 <5.0
Environmental
Temperature
Operating (°C)
Nonoperating (ºC)
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
Shock
Operating, 2 ms (Gs)
Nonoperating, 2 ms (Gs)
70
300
70
300
70
350
70
350
70
350
70
350
Acoustics (bels—sound power)
Idle
Seek
2.5
2.7
2.5
2.7
2.6
2.75
2.6
2.75
2.6
2.75
2.6
2.75
Physical
Height (in/mm)
1.02/26.1 1.02/26.1 0.78/20 0.78/20 0.78/20 0.78/20
Width (in/mm)
4.00/101.6 4.00/101.6 4.00/101.6 4.00/101.6 4.00/101.6 4.00/101.6
Depth (in/mm)
5.87/146.99 5.87/146.99 5.87/146.99 5.87/146.99 5.87/146.99 5.87/146.99
Weight (lb/g)
1.4/0.64 1.4/0.64 1.2/0.54 1.2/0.54 1.2/0.54 1.2/0.54
* One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes when referring to hard drive capacity.