Western Digital WD1500HLFS Product Specifications (pdf) - Page 2
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Enterprise Hard Drives WD VelociRaptor SATA Hard Drives Physical Specifications1 Formatted capacity User sectors per drive WD model number SATA latching connector Bytes per sector (STD) Form factor3 Interface RoHS compliant3 150 GB 150,039 MB 293,046,768 WD1500HLFS Yes 512 3.5-inch SATA 3 Gb/s Yes 300 GB 300,069 MB 586,072,368 WD3000HLFS Yes 512 3.5-inch SATA 3 Gb/s Yes Performance Specifications1 Average latency Buffer Cache Read Write Data transfer rate (maximum) Buffer to host Host to/from drive Drive ready time Error rate (non-recoverable) Rotational speed Seek time Read Write Track-to-track seek time Load/unload cycles Limited warranty4 3 ms 16 MB Adaptive Yes 3 Gb/s 126 MB/s sustained 7.0 sec (average), 10 sec (maximum)
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Enterprise
Hard Drives
Physical Specifications
1
Performance Specifications
1
150 GB
300 GB
Formatted capacity
150,039 MB
300,069 MB
User sectors per drive
293,046,768
586,072,368
WD model number
WD1500HLFS
WD3000HLFS
SATA latching connector
Yes
Yes
Bytes per sector (STD)
512
512
Form factor
3
3.5-inch
3.5-inch
Interface
SATA 3 Gb/s
SATA 3 Gb/s
RoHS compliant
3
Yes
Yes
Average latency
3 ms
Buffer
16 MB
Cache
Read
Adaptive
Write
Yes
Data transfer rate (maximum)
Buffer to host
3 Gb/s
Host to/from drive
126 MB/s sustained
Drive ready time
7.0 sec (average), 10 sec (maximum)
Error rate (non-recoverable)
<1 in 10
15
bits read
Rotational speed
10,000 RPM
Seek time
Read
4.2 ms
(average)
Write
4.7 ms
(average)
Track-to-track seek time
0.7 (maximum)
Load/unload cycles
50,000 minimum
Limited warranty
4
5-year
For service and literature:
support.wdc.com
www.westerndigital.com
800.ASK.4WDC
North America
949.672.7199
Spanish
+800.6008.6008
Asia Pacific
+31.20.4467651
EMEA
Western Digital, WD, WD Raptor, and the
WD logo are registered trademarks in the
U.S. and other countries; and
WD VelociRaptor, NoTouch, IcePack, RAFF,
and FIT Lab are trademarks of Western
Digital Technologies, Inc. Other marks may
be mentioned herein that belong to other
companies. Product specifications subject
to change without notice.
© 2008 Western Digital Technologies, Inc.
All rights reserved.
Western Digital
20511 Lake Forest Drive
Lake Forest, California 92630 U.S.A.
2879-701284-A00
Aug 2008
WD VelociRaptor
SATA Hard Drives
1
As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB) = one billion bytes, and one terabyte (TB) = one
trillion bytes. Total accessible capacity varies depending on operating environment. As used for buffer or cache, one megabyte (MB) =
1,048,576 bytes. As used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second, and gigabit per second
(Gb/s) = one billion bits per second. Effective maximum SATA 3 Gb/s transfer rate calculated according to the Serial ATA specification
published by the SATA-IO organization as of the date of this specification sheet. Visit www.sata-io.org for details.
2
A 2.5-inch drive in a 3.5-inch IcePack heat sink mounting frame.
3
WD products manufactured and sold worldwide after August 1, 2005, meet or exceed Restriction of Hazardous Substances (RoHS)
compliance requirements as mandated by the European Union for electrical and electronic products. The RoHS Directive 2002/95/EC of the
European Parliament, which is effective in the EU beginning July 1, 2006, aims to protect human health and the environment by restricting the
use of certain hazardous substances in new equipment, and consists of restrictions on lead, mercury, cadmium, and other substances.
4
Standard five-year limited warranty, unless otherwise required by law. For extended warranty information,
visit our Web site at support.wdc.com.