HGST A7K1000 500GB SATA 3.0 Gb/s 0A35770 Leaflet
Product codes
0A35770
Model(s)
HUA721010KLA330
HUA721075KLA330
HUA721050KLA330
HUA721075KLA330
HUA721050KLA330
Interface
3 Gb/s SATA
Capacity
1
1 TB / 750 GB / 500 GB
Recording zones
30
Data heads (physical)
10 / 8 / 6
Data disks
5 / 4 / 3
Max areal density (Gbits/sq. in.)
148
Performance
Data buffer (MB)
Data buffer (MB)
3
32
Rotational speed (RPM)
7200
Latency average (ms)
4.17
Media transfer rate (Mbits/sec, max)
1070
Interface transfer rate (MB/sec, max)
300
Sustained transfer rate (MB/sec)
85 - 42 (zone 0-29)
Seek time (read, typical, ms)
4
8.2
Reliability
Error rate (non-recoverable, bits read)
1 in 10
15
Start/stops (at 40˚ C)
50,000
Availability
2
(days/week)
24 x 7
Targeted MTBF
2
(hours)
1,200,000
Acoustics
Idle (Bels)
2.9
Power
Requirement
Requirement
+5 VDC (+ -5%), +12 VDC (+ 20% - 8%)
Startup current (max. A)
2.0 (+ 12V) & 1.2 (+ 5V)
Idle (W)
9.0 / 8.1 / 7.3
Power consump. efficiency index (W/GB)
0.009 / 0.0108 / 0.0146
Physical size
z-height (mm, max)
z-height (mm, max)
26.1
Dimensions (width x depth, mm)
101.6 x 147
Weight (g, max)
700
Environmental (operating)
Ambient temperature
Ambient temperature
5
o
to 60
o
C
Shock (half-sine wave, G/2ms)
70
Vibration, random (G RMS 5 to 500 Hz)
0.67, all axes
Environmental (non-operating)
Ambient temperature
-40
o
to 70
o
C
Shock (half-sine wave, G/1ms)
300
Vibration, random (G RMS 2 to 200 Hz)
1.04, all axes
1 One GB is equal to one billion bytes and one TB equals 1,000 GB (one trillion bytes); accessible capacity may be less
2 Intended for use in lower duty cycle environments in the enterprise storage hierarchy, such as RAID and nearline applications. This MTBF target
is based on a sample population and is estimated by statistical measurements and acceleration algorithms under nominal operating conditions.
MTBF ratings are not intended to predict an individual drive’s reliability. MTBF does not constitute a warranty.
is based on a sample population and is estimated by statistical measurements and acceleration algorithms under nominal operating conditions.
MTBF ratings are not intended to predict an individual drive’s reliability. MTBF does not constitute a warranty.
3 Portion of buffer capacity used for firmware
4 Excludes command overhead
Ultrastar A7K1000 Specifications
How to read the Ultrastar model number
HUA721010KLA330 = 1.0 TB, 3 Gb/s SATA
H = Hitachi
U = Ultrastar
A = ATA
72= 7200 RPM
10 = Full capacity — 1.0 TB
10 = Capacity this model 10 =1.0 TB
(75 = 750 GB, 50 = 500 GB)
K = Generation code
L = 26.1mm z-height
A3 = Interface, 3 Gb/s SATA
0 = Reserved
0 = Reserved
HUA721010KLA330 = 1.0 TB, 3 Gb/s SATA
H = Hitachi
U = Ultrastar
A = ATA
72= 7200 RPM
10 = Full capacity — 1.0 TB
10 = Capacity this model 10 =1.0 TB
(75 = 750 GB, 50 = 500 GB)
K = Generation code
L = 26.1mm z-height
A3 = Interface, 3 Gb/s SATA
0 = Reserved
0 = Reserved
Information and Technical Support
www.hitachigst.com (Main Web site)
www.hitachigst.com/partners (Reseller Web site
www.hitachigst.com (Main Web site)
www.hitachigst.com/partners (Reseller Web site
)
North America
support_usa@hitachigst.com
Toll free: 1 888 426-5214, Direct: 1 507 322-2370
Asia Pacific
Toll free: 1 888 426-5214, Direct: 1 507 322-2370
Asia Pacific
support_ap@hitachigst.com / 65 6840 9595
EMEA and UK
EMEA and UK
support_uk@hitachigst.com / 44 20 7133 0032
Germany
Germany
support_uk@hitachigst.com / 49 6929 993601
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unauthorized use of its trademarks.
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Storage Technologies intends to make these available in all countries in which it operates.
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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.hitachigst.com/support, for additional information on product specifications. Photographs may show design models.
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
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San Jose, CA 95135 USA
3403 Yerba Buena Road
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Produced in the United States 4/07. All rights reserved.
Ultrastar™ and Deskstar™ are trademarks of Hitachi Global
Storage Technologies.
Storage Technologies.
Hitachi quality and service
Hitachi’s Ultrastar A7K1000 extends the
company’s long-standing tradition of perform-
ance and capacity leadership. The proven drive
design enables high reliability and availability to
customer data. Ultrastar quality, performance,
and world class technical support and service
provides customers with a lower total cost of
ownership over previous generations.
company’s long-standing tradition of perform-
ance and capacity leadership. The proven drive
design enables high reliability and availability to
customer data. Ultrastar quality, performance,
and world class technical support and service
provides customers with a lower total cost of
ownership over previous generations.
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 breadth of hard disk
drive solutions to satisfy all of today’s demanding
computing needs.
support and services, which may include
customer and integration assistance. Hitachi
is dedicated to providing a breadth of hard disk
drive solutions to satisfy all of today’s demanding
computing needs.