HGST Quality and Service
HGST’s mobile hard drives are designed to the highest quality standards and contain
How to read the Travelstar model number
HTS543232A7A384 = 320GB, SATA 3Gb/s
H = HGST
T = Travelstar
S= Standard (vs E for Enhanced Availability)
54 = 5400 RPM
32 = Full capacity — 320GB
32 = Capacity this model, 32 = 320GB
(25 = 250GB, 16 = 160GB)
A= Generation code
7 = 7mm
A3 = SATA 3Gb/s
8 = 8MB cache
4= No encryption (1 = Bulk data encryption, 5 = TCG Opal Encryption)
Information and Technical Support
www.hgst.com (Main Web site) www.hgst.com/partners (Partner Web site)
North America
support_usa@hgst.com
Toll free: 1 888
Asia Pacific
support_ap@hgst.com / 65 6840 9595
EMEA and UK
support_uk@hgst.com / 44 20 7133 0032
Germany
support_uk@hgst.com / 49 6929 993601
Program Support
Partners First Program channelpartners@hgst.com
1One GB is equal to one billion bytes when referring to hard drive capacity. Accessible capacity will vary depending on the operating environment and formatting.
2Portion of buffer used for firmware
3Excludes command overhead
4Designed for low duty cycle, non
Travelstar™ Z5K320
Specifications | Standard Models | EA Models |
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Models | HTS543232A7A384 | HTE543232A7A384 |
| HTS543232A7A381 | HTE543225A7A384 |
| HTS543232A7A385 |
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| HTS543225A7A384 |
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| HTS543225A7A381 |
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| HTS543225A7A385 |
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| HTS543216A7A384 |
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| HTS543216A7A381 |
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| HTS543216A7A385 |
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Configuration |
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Interface | SATA 3Gb/s | f |
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Capacity (GB)1 | 320 / 250 / 160 | 320 / 250 |
Sector size (bytes) | 512 | f |
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Recording zones | 24 | f |
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Aerial density (Gbit/sq.in, max) | 477 | f |
Performance |
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Data buffer (MB)2 | 8 | f |
Rotational speed (RPM) | 5400 | f |
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Latency average (ms) | 5.5 | f |
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Media transfer rate (Mbits/s, max) | 994 | f |
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Interface transfer rate (MB/s) | 300 | f |
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Seek time |
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Average (typical) ms (read)3 | 13 | f |
Track to track (typical) ms (read) | 1 | f |
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Full stroke (typical) ms (read) | 25 | f |
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Reliability |
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Load/Unload cycle | 600,000 | f |
Power on hours (POH) per month | N/A | 730 |
Availability4 (hrs/day x days/wk) | N/A | 24x7 |
Power |
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Requirement | +5VDC | f |
Dissipation (typical) |
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Startup (W, peak, max) | 4.5 | f |
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Seek (W, average) | 1.8 | f |
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Read/Write (W, average) | 1.6 | f |
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Performance idle (W, average) | 1.5 | f Idle (Avg.) |
Active idle (W, average) | 0.8 | N/A |
Low power idle (W, average) | 0.55 | N/A |
Standby (W, average) | 0.2 | f |
Sleep | 0.1 | f |
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Physical size |
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Height (mm, max) | 7 | f |
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Dimensions (width x depth, mm) | 70 x 100 | f |
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Weight (g, max) | 95 | f |
Environmental (operating) |
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Shock | 400G/2ms, 225G/1ms | f |
Ambient temperature | 0° to 60° C | f |
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Environmental |
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Shock | 1000G/1 ms | f |
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Ambient temperature | f | |
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Acoustics |
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Idle (Bels, typical) | 1.9 | f |
Seek (Bels, typical) | 2.0 | f |
© 2012 HGST, a Western Digital company, 3403 Yerba Buena Road, San Jose, CA 95135 USA. Produced in the United States 5/10, rev. 11/10, 3/11, 9/12. All rights reserved. Travelstar and Truetrack are trademarks of HGST, a Western Digital company.
The EcoTrac symbol identifies HGST hard drives that deliver on the principles of lower operating costs, safer product disposal and a more sustainable environment.
HGST trademarks are intended and authorized for use only in countries and jurisdictions in which HGST has obtained the rights to use, market and advertise the brand. The Travelstar trademark is authorized for use in the Americas, EMEA, and the following
References in this publication to HGST’s products, programs, or services do not imply that HGST 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.hgst.com/support, for additional information on product specifications. Photographs may show design models.