HGST Travelstar 5K500.B 500GB 0A70395 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

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

 

  PC, nearline and consumer electronics environments, which vary from   
  application to application 

Specifications

How to read the Travelstar model number
HTS545050B9A300 = 500GB, SATA 3Gb/s
H  = Hitachi
T  = Travelstar
S  = Standard (vs E for Enhanced availability)
54 = 5400 RPM
50 = Full capacity — 500GB
50 = Capacity this model, 50 = 500GB  
    (40 = 400GB, 32 = 320GB, 25 = 250GB,  
    16 = 160GB, 12 = 120GB)
B  = Generation code
9  = 9.5mm z-height
A3 = Interface, SATA 3Gb/s
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

)

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 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.

© 2008 Hitachi Global Storage Technologies

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

Produced in the United States 11/08. All rights reserved.

TrueTrack Technology™ and Partners First™ are trademarks of  
Hitachi Global Storage Technologies

The EcoTrac symbol identifies Hitachi hard drives that deliver on the 
principles of lower operating costs, smaller carbon footprint, safer 
product disposal and creation of a more sustainable environment.

Configuration
Interface

SATA 3Gb/s





Capacity (GB)

1

500 / 400 / 320 / 

250 / 160 / 120



500 / 320 / 250 / 160

Sector size (bytes)

512





Recording zones

24





Data heads

4 / 4 / 3 / 2 / 2 / 1



4 / 3 / 2 / 2

Disks

2 / 2 / 2 / 1 / 1 / 1



2 / 2 / 1 / 1

Areal density (Gbit/sq.in. max,)

375





Performance
Data buffer (MB)

2

8





Rotational speed (RPM)

5400





Latency average (ms)

5.5





Media transfer rate (Mbits/sec, max)

875





Interface Transfer Rate (MB/sec, max)

300





Seek time
  Average  (typical) ms (read)

3

12





  Track to track (typical) ms (read)

1





  Full stroke (typical) ms (read)

20





Reliability
Load / unload cycle

600,000





Power on hours (POH) per month

N/A



730

Availability

4

N/A



24x7

Power
Requirement

+5 VDC (+ -5%)





Dissipation
  Startup (W, peak, max.)

4.5





  Seek (W, avg.)

1.7





  Read / Write (W, avg.)

1.4





  Performance idle (W, avg.)

1.3



 

Idle (avg.)

  Active idle (W, avg.)

0.8



N/A

  Low power idle (W, avg.)

0.5



N/A

  Standby (W, avg.)

0.2





  Sleep (W)

0.1





Physical size
z-height (mm)

9.5





Dimensions (width x depth, mm)

70 x 100





Weight (g, max,)

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





Ambient temperature

-40 to 65

o 

C





Acoustics (A-weighted sound power)
Idle (Bels, typical)

2.4





Seek (Bels, typical)

2.6





DSTS5450B08EN-01