Hitachi 2.5-Inch Mobile 5400 RPM 7mm Travelstar HTS543232A7A384, Datasheet

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© 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.
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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.
DSTZ543210EN-04
HGST Quality and Service
HGST’s mobile hard drives are designed to
the highest quality standards and contain
field-proven components. HGST provides
worldwide technical support and integration
services to enable global customers to bring
their products to market quickly.
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 z-height
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: 1 888 426-5214, Direct: 1 408 717-8087
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
Specifications
Models HTS543232A7A384
HTS543232A7A381
HTS543232A7A385
HTS543225A7A384
HTS543225A7A381
HTS543225A7A385
HTS543216A7A384
HTS543216A7A381
HTS543216A7A385
HTE543232A7A384
HTE543225A7A384
Configuration
Interface SATA 3Gb/s
f
Capacity (GB)
1
320 / 250 / 160 320 / 250
Sector size (bytes) 512
f
Recording zones 24
f
Aerial density (Gbit/sq.in, max) 477
f
Performance
Data buffer (MB)
2
8
f
Rotational speed (RPM) 5400 f
Latency average (ms) 5.5 f
Media transfer rate (Mbits/s, max) 994 f
Interface transfer rate (MB/s) 300 f
Seek time
Average (typical) ms (read)
3
13
f
Track to track (typical) ms (read) 1
f
Full stroke (typical) ms (read) 25
f
Reliability
Load/Unload cycle 600,000
f
Power on hours (POH) per month N/A 730
Availability
4
(hrs/day x days/wk) N/A 24x7
Power
Requirement +5VDC (+-5%) f
Dissipation (typical)
Startup (W, peak, max) 4.5
f
Seek (W, average) 1.8 f
Read/Write (W, average) 1.6 f
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
Physical size
Height (mm, max) 7 f
Dimensions (width x depth, mm) 70 x 100 f
Weight (g, max) 95 f
Environmental (operating)
Shock (half-sine wave) 400G/2ms, 225G/1ms f
Ambient temperature 0° to 60° C f
Environmental (non-operating)
Shock (half-sine wave) 1000G/1 ms f
Ambient temperature -40° to 65° C
f
Acoustics (A-weighted sound power)
Idle (Bels, typical) 1.9 f
Seek (Bels, typical) 2.0
f
Travelstar
™
Z5K320
Standard Models EA Models
1 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 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 application to application