WD VelociRaptor 3.5 Inch Disti Spec Sheet Veloci Raptor Workstation Hard Drive WD2500HHTZ 2879 701284
WD2500HHTZ to the manual 3bf09086-a81d-428c-84e1-382dc1202a98
User Manual: VelociRaptor Workstation Hard Drive WD2500HHTZ
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Workstation Hard Drives
WD VelociRaptor drives offer an unmatched combination of
high performance and high reliability, perfect for
workstations, high-end video and photo editing, low-end
servers and performance enthusiasts’ systems. Comes with
a 3.5-inch mounting frame for easy installation into today's
high-performance systems and chassis.
SATA 6 Gb/s
250 and 500 GB; 1 TB
Note: Not all products may be
available in all regions of the
Designed around a 10,000 RPM spin
speed, these SATA 6 Gb/s drives include
a 64 MB cache and deliver the ultimate
performance for photo and video editing.
With 1.4 million hours MTBF, these drives
have the highest available reliability rating
on a high capacity SATA drive.
State-of-the-art technology delivers a
balance of high performance and high
capacity perfect for data-intensive
workloads that require large amounts of
storage such as video editing, 3D
rendering and scientific modeling.
Consumes less idle power and uses
similar active power as the previous
generation WD VelociRaptor, while
offering double the capacity and higher
Advanced Format (AF)
Technology adopted by WD and other
drive manufacturers as one of multiple
ways to continue growing hard drive
capacities. AF is a more efficient media
format that enables increased areal
IcePack™ mounting frame
The 2.5-inch WD VelociRaptor is
enclosed in a backplane-ready 3.5-inch
enterprise-class mounting frame with a
built-in heat sink that keeps this powerful
little drive extra cool when installed in
high-performance desktop chassis.
Rotary Acceleration Feed
Optimizes operation and performance
when the drives are used in vibration-
prone, multi-drive chassis.
NoTouch™ ramp load
The recording head never touches the
disk media ensuring significantly less
wear to the recording head and media as
well as better drive protection in transit.
In addition to being ROHS compliant, this
generation of WD VelociRaptor is also a
halogen free design.
Pre-emptive Wear Leveling
Ensures reliability for applications that
perform a high incidence of read/write
operations at the same physical location
on the disk.
5-year limited warranty
High-performance computing, 3D rendering, digital content creation and editing, scientific computing and image management.
Specifications11 TB 500 GB 250 GB
Model number WD1000DHTZ WD5000HHTZ WD2500HHTZ
Interface SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s
Formatted capacity 1 TB 500 GB 250 GB
User sectors per drive 1,953,525,168 976,773,168 488,397,168
Advanced Format (AF) Yes Yes Yes
SATA latching connector Yes Yes Yes
Form factor 3.5-inch 3.5-inch 3.5-inch
RoHS compliant2Ye s Yes Yes
Data transfer rate (max)
Buffer to host
Host to/from drive (sustained)
Cache (MB) 64 64 64
Rotational speed (RPM) 10,000 10,000 10,000
Average drive ready time (sec) 8 8 8
Load/unload cycles3600,000 600,000 600,000
Non-recoverable read errors per bits read <10 in 1016 <10 in 1016 <10 in 1016
Limited warranty (years)4555
12VDC (A, max) 1.8 1.8 1.8
Average power requirements (W)
Standby and Sleep
5 to 55
-40 to 70
5 to 55
-40 to 70
5 to 55
-40 to 70
Operating (2 ms, read/write)
Operating (2 ms, read)
Non-operating (2 ms)
Average acoustics (dBA)6
Performance seek mode
Height (in./mm, max) 1.028/26.1 1.028/26.1 1.028/26.1
Length (in./mm, max) 5.787/147 5.787/147 5.787/147
Width (in./mm, ± .01 in.) 4/101.6 4/101.6 4/101.6
Weight (lb./kg, ± 10%) 1.10/0.50 1.10/0.50 1.10/0.50
1As 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.
2WD hard drive products manufactured and sold worldwide after June 1, 2006, meet or exceed Restriction of Hazardous Substances (RoHS) compliance requirements as mandated by the RoHS Directive 2011/65/EU.
3Controlled unload at ambient condition
4The term of the limited warranty may vary by region. Visit support.wdc.com/warranty for details.
5No non-recoverable errors during operating tests or after non-operating tests.
6Sound power level.
Western Digital, WD, the WD logo, WD VelociRaptor, and Put Your Life On It are registered trademarks in the U.S. and other countries; and IcePack, RAFF, NoTouch, 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.
© 2012 Western Digital Technologies, Inc. All rights reserved.
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