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Leading-edge technology and innovative design for
high-performance, high-capacity mobile hard drives
IBM Travelstar 32GH, 30GT, and 20GN
2.5-inch hard disk drives
Leading-edge technology Advanced mobile systems
Highlights IBM continues its tradition of mobile With these new drives, IBM has redefined
storage leadership with the IBM state-of-the-art storage for mobile
The IBM Travelstar* 32GH offers Travelstar 32GH, 30GT and 20GN hard
, computing. The high speeds and
several industry firsts: a capac- drives. The industry's first 4-disk 12.5 mm capacities of IBM Travelstar drives help
ity of 32 GB, a media transfer rate mobile drive, the IBM Travelstar 32GH is provide higher quality digital audio and
of up to 228.2 Mbits/sec, and the also the world's first 32 GB notebook video, superior digital content creation
first 4-disk 12.5 mm mobile hard hard disk drive. capabilities, and significantly faster
disk drive. processing for data-intensive multimedia
The innovative hard drive design and Internet applications.
The new IBM Travelstar 30GT and combines IBM giant magnetoresistive
20GN hard drives provide areal (GMR) head technology, Partial By using one of the new Travelstar drives
densities of 17. Gbits/sq. in. and
1 Response Maximum Likelihood (PRML) in a laptop system, you can unchain your
10 GB of capacity per disk. digital channel, a head load/unload multimedia lab from the desktop--
feature, and Enhanced Adaptive Battery enabling high-end multimedia creativity
The IBM Travelstar 20GN has the Life Extender* (ABLE) 3.0--all created as mobile as your imagination.
industry's highest shock rating of by using state-of-the-art manufacturing
800 G/1 ms, as well as the fast techniques. This design provides the
Ultra-DMA interface transfer rate exceptional storage capacity, perfor- IBM quality, support, and service
of 66 MB/sec. mance, power management, quality, The new IBM Travelstar mobile hard drives
and reliability required by today's share common field-proven components
An advanced electromechanical notebook systems. to provide manufacturers with superior-
design provides exceptional quality hard drives backed by a three-
storage capacities and superior As a result, the new IBM Travelstar drives year warranty and IBM technical support
shock ratings to improve reliabil- are ideally suited for demanding, high- and services.
ity and ruggedness. capacity Internet, digital audio, video
streaming, and real-time multimedia
applications--whether users are in the
office or on the road.
Performance and reliability
The IBM Travelstar 32GH, 30GT, and
20GN hard drives use proven IBM
technology, such as IBM Drive Fitness
Test* (DFT), Self-Monitoring Analysis
and Reporting Technology (S.M.A.R.T.),
as well as a thermistor, an adaptive
control device that helps maintain high
performance and fast seek times at
high environmental temperatures. IBM Travelstar 32GH 12.5 mm 5400 RPM,
32 GB ATA-4 hard drive1
IBM Travelstar 32GH 12.5 mm 5400 RPM, IBM Travelstar 30GT 12.5 mm 4200 RPM, IBM Travelstar 20GN 9.5 mm 4200 RPM,
32 GB ATA-4 hard drive 30 GB ATA-4 hard drive 20 GB ATA-4 hard drive
IBM Travelstar hard disk drive characteristics
Feature Benefit
World's fastest mobile hard drive IBM Travelstar 32GH provides outstanding
performance and seek times at near-desktop
equivalence without sacrificing high capacity
First 32 GB mobile hard drive IBM Travelstar 32GH has the capacity to enable
mobile users to work with a new range of emerging
storage-intensive applications
Highest shock rating (800 G/1 ms) for a IBM Travelstar 20GN provides exceptional ruggedness
2.5-inch mobile hard drive to help withstand shock while increasing drive
reliability and extending drive lifetime
High areal density of 171 Gbits/sq. in.
. IBM Travelstar 30GT and 20GN maximize areal density
and 10 GB of capacity per disk to enable more data storage per disk in standard,
compact packages
Fast Ultra-DMA 66 2.5-inch mobile IBM Travelstar 32GH, 30GT, and 20GN all feature high
hard drives data transfer rates to help ensure the ultimate
performance possible
IBM drive fitness technologies IBM DFT and S.M.A.R.T. capabilities help enhance
reliability
IBM family of Travelstar 32GH, 30GT, and 20GN hard disk drives at a glance
Product name Travelstar 32GH Travelstar 30GT Travelstar 20GN
Model DJSA-232000 DJSA-230000 DJSA-220000/210000/205000
Configuration
Interface ATA-4 ATA-4 ATA-4
Capacity (GB) 32 30 20/10/5
Sector size (bytes) 512 512 512
Recording zones 16 16 16
User cylinders 21,664 22,784 22,784
Data heads 8 6 4/2/1
Disks 4 3 2/1/1
Max. areal density (Gbits/sq. in.) 14.0 171
. 171
.
Max. recording density (KBPI) 389.0 451.1 451.1
Track density (TPI) 36,000 38,000 38,000
Drive Fitness Test Enabled Enabled Enabled
Performance
Data buffer (KB) 20482 20482 20482/5123/5123
Rotational speed (RPM) 5411 4200 4200
Latency (average ms) 5.5 71
. 71
.
Media transfer rate (Mbits/sec) 120.8 to 228.2 108.8 to 202.9 108.8 to 202.9
Interface transfer rate (MB/sec) 66.6 Ultra-DMA mode 4 66.6 Ultra-DMA mode 4 66.6 Ultra-DMA mode 4
16.6 PIO mode 4 16.6 PIO mode 4 16.6 PIO mode 4
Seek time (ms)
Average (typical) 12.0 12.0 12.0
Single track (typical) 2.5 2.5 2.5
Full stroke (typical) 23.0 23.0 23.0
Reliability
Error rate (nonrecoverable) <1 per 1.0E13 bits transferred <1 per 1.0E13 bits transferred <1 per 1.0E13 bits transferred
Load/unload cycles 300,000 300,000 300,000
Power
Voltage requirement (VDC) +5 (