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1
One GB is equal to one billion bytes when referring to hard drive capacity. Accessible capacity may be less.
2
Portion of buffer capacity used for drive firmware
3
250 GB capacity available with 8 MB only
4
Intended for low duty cycle, non mission-critical applications in PC, nearline, and consumer electronics environments, which may vary from
application to application
Specifications
How to read the Deskstar model number
HDP725050GLA360 = 500 GB,16 MB buffer
H = Hitachi
D = Deskstar
P = Series prefix
72 = 7200 RPM
50 = Full capacity — 500 GB
50 = Capacity this model, 50 =500 GB
(40 = 400 GB, 32 = 320 GB, 25 = 250 GB)
G = Generation code
L = 26.1mm z-height
A3 = Interface, SATA 3Gb/s (AT = PATA)
6 = 16 MB buffer (8 = 8 MB)
0 = Reserved
Information and Technical Support
www.hitachigst.com (Main Web site)
www.hitachigst.com/partners (Partner Web site)
North America
support_usa@hitachigst.com
Toll free: 1 888 426-5214, Direct: 1 507 322-2370
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
Program Support
Partners First™ Program
channelpartners@hitachigst.com
Hitachi quality and service
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.
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 10/07.
All rights reserved.
Deskstar™, HiVERT™ and Partners First™ are trademarks of
Hitachi Global Storage Technologies. ENERGY STAR
®
is a registered
mark of the United States Environmental Protection Agency.
DSDP725007EN-01
Deskstar P7K500
Model(s)
HDP725050GLAT80
HDP725040GLAT80
HDP725032GLAT80
HDP725025GLAT80
HDP725050GLA380
HDP725050GLA360
HDP725040GLA380
HDP725040GLA360
HDP725032GLA380
HDP725032GLA360
HDP725025GLA380
Interface
PATA-133 SATA 3Gb/s
Capacity (GB)
1
500 / 400 / 320 / 250
Data heads (physical)
4 / 4 / 3 / 2
Data disks
2 / 2 / 2 / 1
Max. areal density (Gbits/sq. in.)
185
Performance
Data buffer (MB)
2
8 16 / 8
3
Rotational speed (RPM)
7200
Media transfer rate (Mbits/sec, max)
1138
Interface transfer rate (MB/sec, max)
133 300
Reliability
Error rate (non-recoverable, bits read)
1 in 10
14
Starts/stops (at 40˚
C)
50,000
Availability
4
(hrs/day x days/wk)
24x7
Acoustics
Idle (Bels, typical)
2.6 (2 disk) 2.8 (1 disk)
Power
Requirement
+5 VDC (+/-5%)
+12 VDC (+/-10%)
Startup current (A, max.)
2.0 (+12V), 1.1 (+5V) 2.0 (+12V), 1.3 (+5V)
Idle (W)
4.5 (2 disk) 3.3 (1 disk) 4.8 (2 disk) 3.6 (1 disk)
Physical size
z-height (mm)
26.1
Dimensions (width x depth, mm)
101.6 (+/-0.25) x 147
Weight (typical, g, max.)
550
Environmental (operating)
Ambient temperature
0
o
to 60
o
C
Relative humidity (non-condensing)
8% to 90%
Shock (half-sine wave)
70
Vibration, random (G RMS 5 to 500 Hz)
0.67 (XY)
Environmental (non-operating)
Ambient temperature
-40
o
to 70
o
C
Relative humidity (non-condensing)
5% to 95%
Shock (half-sine wave, G (2ms))
350
Vibration, random (G RMS 5 to 500 Hz)
1.04 (XYZ)