HGST Travelstar 5K250 80GB SATA 1.5 Gb/s 0A52127 Leaflet

1  One GB is equal to one billion bytes when referring to hard drive  

 

  capacity. Accessible capacity may be less.

2  Upper 736KB out of 8MB used for firmware

3  Excludes command overhead 

Specifications

How to read the Travelstar model number
HTS542525K9A300 = 250 GB, SATA 3 Gb/s
H  = Hitachi
T  = Travelstar
S  = Standard (vs C for Compact)
54 = 5400 RPM
25 = Full capacity — 250 GB
25 = Capacity this model, 25 =250 GB (20 = 200 GB,  
    16 = 160 GB, 12 = 120 GB, 80 = 80 GB)
K  = Generation code
9  = 9.5mm z-height
A3 = Interface, SATA 3 Gb/s (SA = 1.5 Gb/s)
0  = Reserved
0  = Reserved

Information and Technical Support
www.hitachigst.com (Main Web site)
www.hitachigst.com/partners (Partner Web site

)

North America
support_usa@hitachigst.com 
Toll free: 1 888 426-5214, Direct: 1 507 322-2370
Asia Pacific
support_ap@hitachigst.com / 65 6840 9595
EMEA and UK
support_uk@hitachigst.com / 44 20 7133 0032
Germany
support_uk@hitachigst.com / 49 6929 993601

Program Support 
Partners First™ Program 
channelpartners@hitachigst.com

Hitachi quality and service

Hitachi Travelstar mobile hard disk drives are  
designed to the highest quality standards and  
contain field-proven components. Hitachi 
provides worldwide technical support and 
integration services to enable global customers 
to bring their products to market quickly.

Hitachi Global Storage Technologies’ trademarks are authorized for use in countries and jurisdictions in which Hitachi Global Storage 
Technologies has the right to use, market and advertise the brands. The Travelstar trademark is authorized for use in the Americas, EMEA, and 
the following Asia-Pacific countries and jurisdictions: Australia, Hong Kong, Japan, New Zealand, South Korea and Taiwan. Contact Hitachi 
Global Storage Technologies for further information. Hitachi Global Storage Technologies shall not be liable to third parties for unauthorized use 
of Hitachi Global Storage Technologies trademarks.

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 it operates. Some countries have laws that may affect 
encryption-enabled devices. Hitachi GST assumes no responsibility for compliance with laws that apply to our products after they are sold 
or outside of our control. Accordingly, we suggest that you review all laws of the countries where you conduct business.

Product specifications provided are sample specifications and do not constitute a warranty. Information is true as of the date of publication 
and is subject to change. Actual specifications for unique part numbers may vary. Please visit the Support section of our website, www.
hitachigst.com/support, for additional information on product specifications. Photographs may show design models.

© 2007 Hitachi Global Storage Technologies

Hitachi Global Storage Technologies
3403 Yerba Buena Road
San Jose, CA 95135 USA

Produced in the United States 6/07. Revised 9/07. 
All rights reserved.

Partners First™ is a trademark of Hitachi Global Storage Technologies.

Interface

SATA 3 Gb/sec

SATA 1.5 Gb/sec

Capacity (GB) 

1

250 / 200 / 160 / 120 / 80

 

Sector size (bytes)

512

 

Recording zones

24

 

Data heads (physical)

4 / 4 / 3 / 2 / 2

 

Data disks

2 / 2 / 2 / 1 / 1

 

Max. areal density (Gbits/sq. inch)

205

 

Performance
Data buffer (MB) 

2

8

 

Rotational speed (RPM)

5400

 

Latency average (ms)

5.5

 

Media transfer rate (Mbits/sec, max)

665

 

Interface Transfer Rate (MB/sec, max)

300

150

Seek time (read, typical) (avg. ms) 

3

11

 

Track to track (read, typical) (avg. ms)

1

 

Full stroke

20

 

Reliability
Load/unload

600,000

 

Requirement

+5 VDC (+ -5%)

 

Startup (W, peak, max.)

5.0

 

Seek (W, avg.)

2.2

 

Read / Write (W, avg.)

1.8

 

Performance idle (W, avg.)

1.7

 

Active idle (W, avg.)

0.8

 

Low power idle (W, avg.)

0.55

 

Standby (W, avg.)

0.2

 

Sleep (W)

0.1

 

z-height (mm)

9.5 mm

 

Dimensions (width x depth, mm)

70 x 100

 

Weight (max, g)

102 // 95

 

Environmental (Operating)
Shock (half-sine wave)

400G / 2ms, 200G / 1ms

 

Ambient temperature

5 to 55

o 

C

 

Environmental (Non-operating)
Shock (half-sine wave)

1000G / 1ms

 

Idle (typical)

2.4

 

Seek (typical)

2.6

 

DSTS542507EN-02