WD Model Number Format for OEM and Distribution Channels 2579-001028.pdf

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Information Sheet
Model Numbers - WD Internal Drives
Model Number Format for OEM and Distribution Channels
WD’s model number format simplifies inventory management
for distributors and system manufacturers. Capacity points
are key to this format.
4 Business Unit/Brand (continued)
R
U
V
W
Y
Z
Enterprise Advanced Format/WD RE drive families
Audio/Video Advanced Format - WD AV
Audio/Video - WD AV
Enterprise Advanced Format/WD VelociRaptor
Enterprise/WD RE drive families (4-platter)
Desktop Advanced Format/WD Blue; WD Black; WD Green;
WD Caviar
5400 RPM with 2 MB cache
7200 RPM with 2 MB cache
5400 RPM with 16 MB cache
5400 RPM with 32 MB cache
7200 RPM with 64 MB cache (<2 TB)
10,000 RPM with 16 MB cache
10,000 RPM with 8 MB cache
10,000 RPM with 32 MB cache
7200 RPM with 8 MB cache
7200 RPM with 16 MB cache
7200 RPM with 32 MB cache
IntelliPower™/EM (maximum buffer size offered by product)
5400 RPM with 64 MB cache
7200 RPM with 64 MB cache (2 TB)
10,000 RPM/EM (maximum buffer size offered by product)
5400 RPM with 8 MB cache (Mobile)
7200 RPM/EM (maximum buffer size offered by product)
ATA/66 with 40-pin IDE connector
ATA/100 with 40-pin IDE connector
ATA with 33-pin connector (zero insertion force—ZIF)
SATA 1.5 Gb/s with 22-pin SATA connector
ATA/133 with 40-pin IDE connector
SAS-3 with 29-pin connector
SAS-6 with 29-pin connector
SATA 3 Gb/s with 22-pin SATA connector
SATA 1.5 Gb/s with 22-pin SATA connector (Mobile)
SATA 3 Gb/s with 22-pin SATA connector (Mobile)
SATA 3 Gb/s, 6 Gb/s capable with 22-pin SATA connector
SATA 6 Gb/s with 22-pin SATA connector
Base Model Number
The base model number is composed of six codes:
1. Company initials (WD)
2. Capacity (GB/TB)
3. Capacity unit/form factor
4. Business unit/brand
5. RPM/buffer size or attribute
6. Interface/connector
5 RPM/Buffer Size or Attribute
A
B
C
D
E
F
G
H
J
K
L
P
R
S
T
V
Y
A
B
C
D
E
F
G
S
T
X
Z
WD 0000 ABCD
1
2
3 4
5 6
Model Number Codes
1 Company Initials
WD
2 Capacity
Two, three, or four digits, supports up to 999.9.
For 1 TB and larger WD Black™ and enterprise drives, the decimal
follows the first digit (e.g., WD1000FYPS is a 1 TB capacity drive).
These drives also use the last digit of the capacity number as a
product code (e.g., WD2003FYYS). This digit does
not
translate to
additional capacity/LBAs.
6 Interface/Connector
3 Capacity Unit/Form Factor
A
B
C
D
E
F
G
H
J
K
L
N
S
T
A
B
D
E
F
H
K
L
M
N
P
GB/3.5-inch
GB/2.5-inch
TB/2.5-inch
TB/2.5- to 3.5-inch backplane adapter
TB/3.5-inch
TB/3.5-inch (new format)
GB/2.5- to 3.5-inch adapter
GB/2.5- to 3.5-inch backplane adapter
TB/2.5-inch
GB/2.5-inch (12.5 mm z-height)
GB/2.5-inch (7 mm z-height)
TB/2.5-inch (15.0 mm z-height)
TB/2.5-inch (7 mm z-height)
TB/2.5-inch (12.5 mm z-height)
Desktop/WD Blue™; WD Green™; WD Black; WD Caviar
®
Enterprise/WD RE drive families (3-platter)
Enterprise/WD Raptor
®
Mobile/WD Blue; WD Green; WD Black; WD Scorpio
®
Desktop NAS/WD Red™
Enthusiast/WD VelociRaptor
®
Enterprise/WD XE; WD S25
Enterprise/WD VelociRaptor
Branded/WD Branded
Branded Advanced Format/WD Branded
Mobile Advanced Format/WD Blue; WD Green; WD Black;
WD Scorpio
4 Business Unit/Brand
Subsequent updates to these definitions will be available in
Change Administration’s
Model Specification
(document number
2096-000101). WD intranet access is required to view or
download the document. To access the document, go to:
http://dna.wdc.com/dna/dnaspecs/ui/specECO/
latestspec.aspx?specId=0
(DNA login required).
Model Number Suffix
The model number suffix (characters to the right of the dash
following the model number) is only for in-house use.
Legacy Model Numbers
For instructions on how to decipher WD internal drive model
numbers issued prior to December 2005, refer to the
Legacy
Model and Order Numbers
information sheet (2579-701261).
A copy is available from your WD representative if required.
For service and literature:
http://support.wdc.com
www.westerndigital.com
800.ASK.4WDC
(800.275.4932)
800.832.4778
+800.6008.6008
00800.27549338
+31.880062100
North America
Spanish
Asia Pacific
Europe (toll free where available)
Europe/Middle East/Africa
Western Digital, WD, the WD logo, WD Caviar, WD Scorpio, WD VelociRaptor, and WD Raptor are
registered trademarks in the U.S. and other countries; and WD Blue, WD Black, WD Green, WD Red,
and IntelliPower are trademarks of Western Digital Technologies, Inc. Other marks may be mentioned
herein that belong to other companies. One gigabyte (GB) = one billion bytes. One terabyte (TB) = one
trillion bytes. Total accessible capacity varies depending on operating environment. Product
specifications subject to change without notice.
© 2012 Western Digital Technologies, Inc.
All rights reserved.
Western Digital
3355 Michelson Drive, Suite 100
Irvine, California 92612
U.S.A.
2579-001028-A25 Jul 2012

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