WD VelociRaptor
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 compliant2Yes Yes Ye s
Performance
Data transfer rate (max)
Buffer to host
Host to/from drive (sustained)
6 Gb/s
200 MB/s
6 Gb/s
200 MB/s
6 Gb/s
200 MB/s
Cache (MB) 64 64 64
Rotational speed (RPM) 10,000 10,000 10,000
Average drive ready time (sec) 8 8 8
Reliability/Data Integrity
Load/unload cycles3600,000 600,000 600,000
Non-recoverable read er rors per bits read <10 in 1016 <10 in 1016 <10 in 1016
Limited warranty (years)4555
Power Management
12VDC (A, max) 1.8 1.8 1.8
Average power requirements (W)
Random Read/Write
Sequential Read/Write
Idle
Standby and Sleep
5.1
5.8
4.2
1.1
5.1
5.8
4.2
1.1
5.1
5.8
4.2
1.1
Environmental Specifications5
Temperature (°C)
Operating
Non-operating
5 to 55
-40 to 70
5 to 55
-40 to 70
5 to 55
-40 to 70
Shock (Gs)
Operating (2 ms, read/write)
Operating (2 ms, read)
Non-operating (2 ms)
30
65
300
30
65
300
30
65
300
Average acoustics (dBA)6
Idle mode
Performance seek mode
30
37
30
37
30
37
Physical Dimensions
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.
Western Digital
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