HGST HDT721032SLA360 Deskstar 0A38018 Leaflet

1  One GB is equal to one billion bytes and one TB equals 1,000GB  
  (one trillion bytes) when referring to hard drive capacity. Accessible  

 

  capacity may be less.

2  Portion of buffer capacity used for drive firmware

3  Intended for low duty cycle, non mission-critical applications in PC,    
  nearline, and consumer electronics environments, which may vary  
  from application to application. Note that customer environments may   
  vary from application to application. 

Specifications

How to read the Deskstar model number
HDT721010SLA360 = 1TB, 16MB buffer
H  = Hitachi
D  = Deskstar
T  = Series prefix
72 = 7200 RPM
10 = Full capacity—1TB
10 = Capacity this model, 10 =1TB  
    (75 = 750GB, 64 = 640GB, 50 = 500GB,  
    32 = 320GB, 25 = 250GB, 16 = 160GB)
S  = Generation code
L  = 26.1mm z-height
A3 = Interface, SATA 3Gb/s
6  = 16MB buffer  (8 = 8MB)
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

All Hitachi hard drives are designed to the 
highest quality standards with field-proven 
components. They are backed by Hitachi’s
worldwide technical support and integration 
services, enabling customers around the globe 
to bring their products to market quickly.

Hitachi Global Storage Technologies trademarks are intended and authorized for use only in countries and jurisdictions in which Hitachi 
Global Storage Technologies has obtained the rights to use, market and advertise the brand. Contact Hitachi Global Storage Technologies 
for additional information. Hitachi Global Storage Technologies shall not be liable to third parties for unauthorized use of this document or 
unauthorized use of its 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.

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 7/08.  
All rights reserved.

Deskstar™, HiVERT™ and Partners First™ are trademarks of  
Hitachi Global Storage Technologies. ENERGY STAR

®

 is a registered 

mark of the United States Environmental Protection Agency.

DSDS721008EN-01

Interface

SATA 3Gb/s

Capacity (GB)

1

1TB / 750 / 640 / 500 / 320 / 250 / 160

Max. areal density (Gbits/sq. in.)

270

Data buffer (MB)

2

16 / 8

Rotational speed (RPM)

7200

Media transfer rate (Mbits/s, max)

1388  

Interface transfer rate (MB/s, max)

300

Error rate (non-recoverable, bits read)

1 in 10

14

Load/unload cycles (at 40˚

 

C)

300,000

Availability

3 

(hrs/day x days/wk)

24x7

Acoustics
Idle (Bels, typical)                              

2.7
2.4
2.5

Requirement

+5 VDC (+/-5%)  

+12 VDC (+/-10%)

Startup current (A, max.)

0.5 (+5V), 2.0 (+12V) 

Idle (W)                                             

5.2
4.4
3.6

z-height (mm)

26.1

Dimensions (width x depth, mm)

101.6 (+/-0.25) x 147 

Weight (typical, g, max.) 

                 

680
400

Environmental (operating)
Ambient temperature

0

o

 to 60

o 

C

Relative humidity (non-condensing)

8% to 90%

Shock (half-sine wave)

70

Vibration, random (G RMS 5 to 500 Hz)

0.67 (XY)

Environmental (non-operating)
Ambient temperature

-40

o

 to 70

o 

C

Relative humidity (non-condensing)

5% to 95%

Shock (half-sine wave, G (2ms))       

                                                      <

300
350

Vibration, random (G RMS 5 to 500 Hz)

1.04 (XYZ)