HGST Travelstar 7K320 0A57542 Leaflet

 

SATA 3Gb/s 

  320 / 250 / 160 / 120 / 80 
 

512 

 

24 

 

4 / 4 / 2 / 2 / 1 

 

2 / 2 / 1 / 1 / 1 

 

252 

 

16 

 

7200 

 

4.2 

 

1136  

 

300 

 

 

 

 

12 

 

1 

 

20 

 

600,000 

 

n/A 

 

n/A 

 

+5VDC (+-5%) 

 

 

 

 

5.5W 

 

2.2W 

 

1.8W 

 

1.7W 

 

1.0W 

 

0.8W 

 

0.2W 

 

0.1W 

 

9.5 

 

70 x 100 

 

115 // 110 

  400 G/2ms, 200 G/1ms 
 

5 - 55° C 

 

1000 G/1 ms 

 

-40 - 65° C 

 

2.5 

 

2.8 

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.

© 2008 Hitachi Global Storage Technologies
Hitachi Global Storage Technologies 

3403 Yerba Buena Road 

San Jose, CA 95135 USA
Produced in the United States 5/08. 

All rights reserved.
Partners First

™

 is a trademark of Hitachi Global Storage Technologies.

DSTS723207En-01

Hitachi quality and service

Hitachi mobile hard 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.

HTS723232L9A360 = 320GB, SATA 3Gb/s

H  = Hitachi

T  = Travelstar

S  = Standard (vs E for Enhanced Availability)

72 = 7200 RPM

32 = Full capacity—320GB

32 = Capacity this model, 32 = 320GB 

    (25 = 250GB, 16 = 160GB, 

    12 = 120GB, 80 = 80GB)

L  = Generation code

9  = 9.5mm z-height

A3 = Interface, SATA 3Gb/s (SA = 1.5Gb/s)

6  = Reserved, 0 = Reserved

0  = Feature code, 0 = none (1 = BDE)
Information and Technical Support

www.hitachigst.com (Main Web site) 

www.hitachigst.com/partners (Partner Web site

)

support_usa@hitachigst.com 

Toll free: 1 888 426-5214, 

Direct: 1 507 322-2370

support_ap@hitachigst.com / 65 6840 9595

support_uk@hitachigst.com / 44 20 7133 0032

support_uk@hitachigst.com / 49 6929 993601

Partners First

™

 Program 

channelpartners@hitachigst.com

Specifications

Configuration
Interface 
Capacity (GB)

1

 

Sector size (bytes) 
Recording zone 
Data heads 
Disks 
Areal density (max, Gbit/sq.in.) 
Performance
Data buffer (MB)

2

 

Rotational speed (RPM) 
Latency average (ms) 
Media transfer rate (max, Mbits/sec) 
Interface transfer rate (MB/sec) 
Seek time 

 

  Average (typical)  ms (read)

3

 

  Track to track (typical)  ms (read) 
  Full stroke (typical)  ms (read) 
Reliability
Load / Unload cycle 
Power on hours (POH) per month 
Availability

4

 

Power
Requirement 
Dissipation (typical) 

 

  Startup (peak, max) 
  Seek (average) 
  Read / Write (average) 
  Perfomance idle (average) 
  Active idle (average) 
  Low power idle (average) 
  Standby (average) 
  Sleep 
Physical size
Height (mm) 
Dimensions (width x depth, mm)  
Weight (max, g) 
Environmental (Operating)
Shock (half sine wave) 
Ambient temperature 
Environmental (Non-Operating)
Shock (half sine wave) 
Ambient temperature 

Idle (typical, Bels) 
Seek (typical, Bels) 

 

SATA 1.5Gb/s 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

150 

 

f

 

 

 

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

 

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

SATA 3Gb/s 

 

320 / 250 / 160 / 120 

 

f

 

 

f

 

 

4 / 4 / 2 / 2 

 

2 / 2 / 1 / 1 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

300 

 

f

 

 

 

 

 

f

 

 

f

 

 

f

 

 

730 

 

24x7 

 

f

 

 

 

 

 

f

 

 

f

 

 

f

 

                           f   Idle (Avg.) 
 

n/A 

 

n/A 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

 

f

 

1  One GB is equal to one billion bytes when referring 

to hard drive capacity. Accessible capacity may be less.

2  Upper 830KB out of 16MB used for firmware

3  Excludes command overhead

4  Designed for low duty cycle, non mission-critical applications 

in PC, nearline and consumer electronics environments, 

which vary application to application