My Life. My World. My Book.
®
Which edition is right for you?
Western Digital, WD, My Book and the WD logo are registered trademarks in the U.S. and other countries; Essential Edition, Home Edition, Studio Edition, Mirror Edition, and World Edition are trademarks of Western Digital Technologies, Inc. Other marks may be
mentioned herein that belong to other companies. Pictures shown may vary from actual product. Product specifications subject to change without notice. As used for storage capacity, one megabyte (MB) = one million bytes,one gigabyte (GB) = one billion bytes, one
terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment and RAID configuration. RAID 0 (striped) accesses the full capacity of the drives. RAID 5 accesses three-fourths of the total capacity for data protection. RAID 1
(mirrored) accesses half of the total capacity for additional data protection. Not all products and capabilities are available in all regions.
© 2009 Western Digital Technologies, Inc. All rights reserved.
* The term of your limited warranty depends on the country in which your product was purchased. Please visit our web site at http:support.wdc.com/warranty for the detailed terms and conditions of our limited warranty and for a list of the specific countries in these regions.
4178-705008-010 July 2009
Essential Edition
™
External Hard Drive
Mirror Edition
™
Dual-drive Storage
System with Mirroring
Home Edition
™
External Hard Drive
Mac Edition
™
External Hard Drive
Studio Edition
™
External Hard Drive
Studio Edition II
Dual-drive Storage
System with RAID
World Edition
™
Home Network
Storage
World Edition II
Dual-drive Network
Storage
Gain instant
storage
The safest place
for your data
Preserve your
precious memories
Instant storage for
your Mac
Creative power
for your Mac
Fast, green and
Mac ready
Backup and
storage for all your
computers
Double-safe backup
and storage for all
your computers
Interface
USB 2.0 USB 2.0 USB 2.0
FireWire
®
400
eSATA
USB 2.0 USB 2.0
FireWire 800
FireWire 400
eSATA
USB 2.0
FireWire 800
FireWire 400
eSATA
Gigabit Ethernet Gigabit Ethernet
Software
Automatic and
continuous backup
Automatic and
continuous backup
Automatic and
continuous backup
Automatic and
continuous backup
Automatic and
continuous backup
Remote access
Automatic and
continuous backup
Remote access
Design
Glossy black
Blue activity LED
Glossy black
Blue activity LED
Capacity gauge
Dual drive
Matte gray
White activity LED
Capacity gauge
Matte black
White activity LED
Silver
White activity LED
Capacity gauge
Silver
White activity LED
Capacity gauge
Dual drive
Glossy white
White activity LED
Capacity gauge
Glossy white
White activity LED
Capacity gauge
Dual drive
Capacities
500 GB
1 TB
2 TB
2 TB 1 TB
2 TB
1 TB
2 TB
500 GB
1 TB
2 TB
2 TB
4 TB
1 TB
2 TB
2 TB
4 TB
Limited
Warranty*
2 year 3 year 3 year 2 year 5 year 5 year 3 year 3 year
WDH1Uxxxx
WDH2Uxxxx
WDH1CSxxxx
WDH1UxxxxAx
WDH1Qxxxx
WDH2Qxxxx
WDH1NCxxxx
WDH2NCxxxx