HGST TRAVELSTAR DK23F 20GB ATA5 08K1458 Leaflet
Product codes
08K1458
Hitachi Travelstar DK23FB hard disk drive specifications
Product name Travelstar DK23FB
Model number DK23FB-60
DK23FB-40
DK23FB-20
Configuration
Interface ATA-5
Capacity (GB)
1
60/40/20
Sector size (bytes) 512
Recording zones 16
Disks 2/2/1
Data heads 4/3/2
Max. Areal Density(Gbits/sq. inch) 68.5 (2 disks) / 62.5 (1 disk)
Performance
Data Buffer(MB)
2
8
Rotational speed (rpm) 5400
Latency(average ms) 5.6
Max. media transfer rate (MB/sec) 50.2 (2 disks) / 45.5 (1 disk)
Max. interface transfer rate(Mb/sec) 100MB/secUltra DMA-mode5
16.6MB/sec PIO mode4/Multiword DMA mode 2
Seek time (ms)
Average (typical) 13
Track-to-track (typical) 3
Full-stroke (typical) 24
Reliability
Error rate (non-recoverable) < 1 per 10
13
bits transferred
Load/Unload cycle 300,000
Power
Requirement +5VDC(±5%)
Dissipation (typical)
Startup(max.peak) 4.50 W
Seek(average) 2.25 W
Read(average) 2.00 W
Write(average) 2.10 W
Performance (idle) 0.85 W
Active Idle(average) 1.10 W
Low Power idle(average) 1.75 W
Standby(average) 0.15 W
Sleep 0.10 W
Physical size
Height (mm) 9.5
Width (mm) 70
Depth (mm) 100
Weight (g) 95 (2 disks), 91 (1 disk)
Environmental characteristics
Operating
Ambient temperature 5% - 55%
Relative humidity (non-condensing) 5% - 90%
Maximum wet bulb (non-condensing) 29° C
Shock (half sine wave) 250G/2ms
Vibration (sine wave) 1.0 G (22 - 500Hz)
Non-operating
Ambient temperature -40° to 70° C
Relative humidity (non-condensing) 5% - 95%
Maximum wet bulb (non-condensing) 40° C
Shock (half sine wave) 800G/1ms
Vibration (sine wave) 5.0G (22 - 500Hz)
Acoustic noise (Bels)
Idle (typical) 2.8
Seek (typical) 3.1
© Copyright Hitachi Global Storage Technologies 2003
Hitachi Global Storage Technologies
5600 Cottle Road
San Jose, CA 95193
5600 Cottle Road
San Jose, CA 95193
Produced in the United States
10/03
All rights reserved
10/03
All rights reserved
Travelstar
TM
is a trademark of
Hitachi Global Storage Technologies.
Other product names are trademarks or registered
trademarks of their respective companies.
trademarks of their respective companies.
Adaptive Battery Life Extender, and Drive Fitness Test
are trademarks of Hitachi Global Storage Technologies.
are trademarks of Hitachi Global Storage Technologies.
References in this publication to Hitachi Global Storage
Technologies products, programs or services do not
imply that Hitachi Global Storage Technologies intends
to make these available in all countries in which Hitachi
Global Storage Technologies operates.
Technologies products, programs or services do not
imply that Hitachi Global Storage Technologies intends
to make these available in all countries in which Hitachi
Global Storage Technologies operates.
Product information is provided for information pur-
poses only and does not constitute a warranty.
poses only and does not constitute a warranty.
Information is true as of the date of publication and is
subject to change. Actual results may vary.
subject to change. Actual results may vary.
This publication is for general guidance only.
Photographs may show design models.
Hitachi Global Storage Technologies
For more information
Internet and e-mail:
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www.hgst.com
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Hitachi hard drive product information:
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US: 1 888 426-5214
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numbers, visit www.hgst.com/support
1
GB equals one billion bytes when referring to hard drive capacity; accessible capacity may be less.
2
Space reserved for firmware