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Model(s)

HUC109090CSS600, HUC109090CSS601
HUC109060CSS600, HUC109060CSS601
HUC109045CSS600, HUC109045CSS601
HUC109030CSS600, HUC109030CSS601

Configuration
Interface

SAS 6Gb/s

Capacity (GB)

1

 at 512 Bytes/sector

900 / 600 / 450 / 300  

Recording zones

40

Data heads (physical)

6 / 4 / 3 / 2

Data Disks

3 / 2 / 2 / 1

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

494

Performance
Data buffer (MB) 

2

64

Rotational speed (RPM)

10K

Latency average (ms)

<3.0

Media transfer rate (Mbits/sec, max)

2105

Interface transfer rate (MB/sec, max)

3

600

Sustained transfer rate (MB/sec, typ.)

3

198 to 117

Seek time (read/write, ms, typical)

4

3.8 / 4.2

Reliability

Error rate (non-recoverable, bits read)

1 in 10

16

MTBF

(M hours)

2.0

Availability (hrs/day x days/wk)

24x7

Acoustics

Idle (Bels, typical)

2.9

Power
Requirement

+5 VDC (+/-5%), +12 VDC (+/-5%)

Operating, (W, typical)

5.8

Load power idle (W)

3.0

Power consumption efficiency at idle  (W/GB)

0.0043 / 0.0058 / 0.0078 / 0.0107 

Physical size
z-height (mm)

14.8

Dimensions (width x depth, mm)

70.1 x 100.6

Weight (g, max)

204

Environmental (operating)
Ambient temperature

5

o

 to 55

C

Shock (half-sine wave)

60G (2ms)

Vibration (G RMS, 5 to 500 Hz) 

0.4, all axes 

Environmental (non-operating)

Ambient temperature

-40

o

 to 70

C

Shock (half-sine wave)

>300G (2ms)

Vibration  (G RMS, 5 to 500 Hz)

1.5, all axes

One GB is equal to one billion bytes when referring to hard drive capacity. Accessible capacity will vary depending on the operating environment and formatting.

2  Portion of buffer capacity used for drive firmware

MB is equal to MillionBytes

4  Excludes command overhead

5  MTBF target is based on a sample population and is estimated by statistical measurements and acceleration algorithms under median operating  
  conditions. MTBF ratings are not intended to predict an individual drive’s reliability. MTBF does not constitute a warranty.

Specifications

How to read the Ultrastar model number
HUC109090CSS600 = 900GB, SAS 6Gb/s
H  = Hitachi
U  = Ultrastar
C  =  Compact (vs S for Standard)
10 =  10,000 RPM
90 =  Full capacity — 900GB
90 =  Capacity this model, 90 = 900GB  
    (60 = 600GB , 45 = 450GB, 30 = 300GB)
C  =  Generation code
S  =  14.8mm z-height
S6 =  Interface, SAS 6Gb/s
0  = Reserved
0  =  No encryption (1 = TCG encryption)

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

)

North America 
[email protected] 
Toll free: 1 888 426-5214, Direct: 1 408 717-8087
Asia Pacific 
[email protected] / 65 6840 9595
EMEA and UK 
[email protected] / 44 20 7133 0032
Germany 
[email protected] / 49 6929 993601
Program Support 
Partners First Program 
[email protected]

Hitachi quality and service

The Ultrastar C10K900 extends the long-standing 
Hitachi tradition of performance and reliability 
leadership. A balanced combination of new and 
proven technologies helps ensure high reliability 
and availability of customer data. 

Hitachi drives are backed by an array of technical 
support and services, which may include customer 
and integration assistance. Hitachi is dedicated 
to providing a complete portfolio of hard disk 
drive solutions to satisfy today’s monumental 
computing needs.

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.

© 2011 Hitachi Global Storage Technologies

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

Produced in the United States 12/11. All rights reserved.

Ultrastar is a trademark of Hitachi Global Storage Technologies. 
Hitachi and Hitachi Inspire the Next logo are trademarks of Hitachi, 
Ltd in the U.S., Japan and/or other countries. 

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.

Ultrastar

 C10K900

DSUC109011EN-01

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