Hitachi HDT721032SLA380 Computer Drive User Manual

Supports newest chip set technology

*Actual storage may vary depending on the compression rate applied.

Advanced mobile systems

The Travelstar 5K100 is the centerpiece of a new line-up of strong contenders.

The Travelstar 5K100 design enhancements include a reduction in the chip set from 4 to 3 chips, and a redesigned actuator arm that will ensure it sets the new standard of ruggedness.

With outstanding shock characteristics, very efficient power consumption, whisper quiet acoustics, and a range of speeds and capacities, Hitachi Travelstar drives deliver the best combination of attributes for notebook systems and demanding mobile applications.


Hitachi quality and service

> Notebook systems

Hitachi Travelstar hard disk drives are designed to the highest quality standards and contain field-proven components to provide superior quality hard drives backed by Hitachi warranty.

Hitachi provides worldwide technical support and services to enable global customers to bring their products to market quickly.

> External storage

> Multi-media

> Digital audio

Hitachi Travelstar 5K100

Model names

Travelstar 5K100





Travelstar 5K100







Parallel ATA

Serial ATA

Capacity (GB) 1

Sector size (Bytes)

Recording zones

Data heads (physical)

Data disks

Max. areal density (Gbits/sq. inch)

100 / 80 / 60 / 40

86 / 70 / 70 / 70

Serial ATA 1.5Gb/s

100 Ultra DMA mode-5

16.6 PIO mode-4

+5VDC (+-5%)

102 / 102 / 102 / 95


Data buffer (MB) 2

Rotational speed (RPM)

Latency average (ms)

Media transfer rate (Mbits/sec, max)

Interface transfer rate (MB/sec, max)

Seek time (read, typical)

Average (ms)


Load/Unload cycle


Dissipation (Typical)

Startup (peak, max.)

Read (avg.)

Write (avg.)

Active idle (avg.)

Low power idle (avg.)

Standby (avg.)

Physical Size

Height (mm)

Width (mm)

Depth (mm)

Weight - typical (g)

Environmental characteristics

Ambient temperature

Shock (half sine wave)


Ambient temperature

Shock (half sine wave)

Acoustics (A-Weighted Sound Power (Bels))

Idle (typ.)

Op (typ.)

RoHS compliant 4

5 to 55 C

300 G / 2ms, 160G / 1ms

-40 to 65 C

1000 G / 1 ms

2.5 / 2.5 / 2.5 / 2.2

2.7 / 2.7 / 2.7 / 2.4

1 GB equals one billion bytes when referring to hard drive capacity; accessible capacity may be less

2 Upper 417KB reserved for firmware

3 Part numbers 0A25825 and 0A25826 and others special bid parts are 5400 RPM drives with 4200 RPM emulation mode enabled. These part numbers are designed for applications where 4200 RPM performance is desired.

4 RoHS refers to the European Uni