Application Guide

DATA SHEET 2.5-INCH MOBILE 7200 RPM 9.5MM HARD DISK DRIVES
© 2016 Western Digital Corporation. Produced 12/11, rev. 8/16.
Travelstar and TrueTrack are trademarks or registered trademarks of Western Digital Corporation or its affiliates in the United states and/or
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information. Western Digital Corporation shall not be liable to third parties for unauthorized use of this document or unauthorized use of its
trademarks. References in this publication to HGST-branded products, programs or services do not imply that they will be made available in all
countries. Product specifications provided are sample specifications and do not constitute a warranty. 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. Pictures shown may vary from actual products.
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DSTS7210A12EN05
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
Advanced Format drive: 4K physical sectors with 512 byte
emulation
3
Portion of buer used for irmware
4
Excludes command overhead
5
Designed for low duty cycle, non mission-critical applications
in PC, nearline and consumer electronics environments, which
vary application to application
Speciications
Model / Part No.
HTS721010A9E630 / 0J22423
HTS721010A9E631 / 0J22428
HTS721075A9E630 / 0J22422
HTS721075A9E631 / 0J22427
HTE721010A9E630 / 0J30573
Coniguration
Interface SATA 6Gb/s f
Capacity (GB)
1
1TB / 750GB 1TB
Sector size (bytes)
2
512e f
Recording zones 30 f
Areal density (max, Gbit/sq.in.) 676 f
Performance
Data buer (MB)
3
32 f
Rotational speed (RPM) 7200 f
Latency average (ms) 4.2 f
Media transfer rate (max, Mbits/sec) 1284 f
Interface transfer rate (MB/sec) 600 f
Seek time
Average (typical) ms (read)
4
12 f
Track to track (typical) ms (read) 1 f
Full stroke (typical) ms (read) 20
f
Reliability
Load/Unload cycle 600,000 f
Power on hours (POH) per month N/A 730
Availability
5
N/A 24x7
Power
Requirement +5VDC (+-5%) f
Dissipation
Startup (W, peak, max) 5.5 f
Seek, (W, avg.) 2.1 f
Read/Write, (W, avg.) 1.8 f
Performance idle, (W, avg.) 1.7 f
Idle (W, avg.)
Active idle, (W, avg.) 1.0 N/A
Low power idle, (W, avg.) 0.8 N/A
Standby, (W, avg.) 0.2 f
Sleep (W) 0.1 f
Physical size
Height (max, mm) 9.5 f
Dimensions (width x depth, mm) 70 x 100 f
Weight (max, g) 115 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 (typical, Bels) 2.5 f
Seek (typical, Bels) 2.7 f
HGST Quality and Service
HGST Travelstar hard disk drives are
designed to the highest quality standards
and contain ield-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
HTS721010A9E630 = 1TB, SATA 6Gb/s
H = HGST
T = Travelstar
S = Standard (E = EA)
72 = 7200 RPM
10 = Full capacity — 1TB
10 = Capacity this model, 10 = 1TB
(75 = 750GB)
A = Generation code
9 = 9.5mm z-height
E6 = SATA 6Gb/s with 512 emulation
3 = 32MB cache
0 = No encryption (1 = Bulk Data Encryption)
Standard Models EA Models
1TB
750GB
Travelstar® 7K1000