Deskstar™ 7K1000
Specifications
Model(s) |
| HDS721075KLA330 | |||||||
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| HDS721010KLA330 |
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Interface |
| Serial ATA 3.0Gb/s | |||||||
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Capacity | 1 |
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| 750GB | 1TB | ||
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Sector size |
| 512 bytes | |||||||
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Disks/heads | 4/8 | 5/10 | |||||||
Performance |
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Data buffer | 2 |
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| 32MB | ||||
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Rotational speed |
| 7200 RPM | |||||||
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Media transfer rate (max) |
| 1070Mb/s | |||||||
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Interface transfer rate (max) |
| 300Mb/s | |||||||
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Latency |
| 4.17ms (average, 7200 RPM) | |||||||
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Seek time | 3 |
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| 8.2ms read (typical), 9.2ms write (typical) | ||||
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3 | 14ms read (typical), 15ms write (typical) | ||||||||
Reliability |
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Error rate |
| 1 per 1.0 E15 bits transferred | |||||||
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Load/unload cycles (at 40°C) |
| 50,000 | |||||||
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Availability | 4 | (hrs/day x days/wk) |
| 24x7 | |||||
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Warranty |
| 3 years | |||||||
Power |
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Supply | +5 VDC (+/- 5%), +12 VDC (+10% / | ||||||||
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Start up current (max) |
| 2.0A (+12V), 1.2A (+5V) | |||||||
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Random read/write (average) | 11.5W | 12.3W | |||||||
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Silent read/write (average) | 9.2W | 10.2W | |||||||
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Idle (average) | 7.6W | 8.4W | |||||||
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Unload idle | 5.5W | 6.1W | |||||||
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Low RPM idle | 3.5W | 3.7W | |||||||
Acoustics |
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Idle |
| 2.9bels (typical) | |||||||
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Silent seek, Seek |
| 3.0bels (typical), 3.2bels (typical) | |||||||
Physical |
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Dimensions | H (26.1mm) x W (101.6mm) x D (147mm) | ||||||||
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Weight (max) |
| 700g | |||||||
Environmental |
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Temperature | 5 to 60 °C operating, | ||||||||
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Relative humidity | 8 to 90% operating, 5 to 95% | ||||||||
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Shock (half sine wave) | 70 G/2 ms pulse operating, 300 G/1 ms pulse | ||||||||
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Vibration (random) (RMS) | 0.67G horizontal, 0.67G vertical operating, 1.04G XYZ | ||||||||
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RoHS | 5 | compliant |
| yes | |||||
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1GB equals one billion bytes when referring to hard drive capacity; accessible capacity may be less.
2Buffer capacity includes 270 or less KB used for drive firmware.
3Does not include command overhead.
4Intended for low duty cycle,
5RoHS refers to the European Union Directive 2002/95/EC on the restriction of certain hazardous substances in electrical and electronic equipment.
Specific application environments such as temperature and duty cycle will affect the overall reliability rates.
For specific application environment reliability rates, please consult Hitachi technical support.
Hitachi quality and service
All Hitachi hard drives are designed to the highest quality standards with
Information and Technical Support
www.hitachigst.com (Main Web site) www.hitachigst.com/partners (Reseller Web site)
North America
support_usa@hitachigst.com Toll free: 1 888
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
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.
© 2007 Hitachi Global Storage Technologies
Hitachi Global Storage Technologies
3403 Yerba Buena Road
San Jose, CA 95135 USA
Produced in the United States 11/07. Revised 7/09. All rights reserved.
Deskstar™ is a trademark of Hitachi Global Storage Technologies.
