Western Digital, WD, the WD logo, Put Your Life On It, My Book, WD TV and are registered trademarks in the U.S. and other countries; My Book Essential, My Book Studio, My Book Elite,
My Book World Edition, My Passport, My Passport Essential, My Passport Studio, My Passport Elite, WD TV Live, WD ShareSpace, WD Elements, WD Elements Play, and WD Livewire are trademarks
of Western Digital Technologies, Inc. Other marks may be mentioned herein that belong to other companies. Not all products or capacities are available in all regions of the world. Pictures shown may
vary from actual products. All product and packaging specications subject to change without notice. Warranties vary by region. For details, visit support.wdc.com/warranty.
© 2010 Western Digital Technologies, Inc. All rights reserved.
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. RAID 0 (Striped) accesses the full capacity of the drives. RAID 1 (Mirrored) accesses half of the total capacity for data protection.
4178-705099-041 Oct 2010
For detailed product information, visit www.westerndigital.com
WD ShareSpace
™
WD ShareSpace is the high-speed network storage system perfect for centralizing and sharing
data on a small ofce or home network. 3-year limited warranty.
Order Number Capacity Interface Operating System
WDA4NC80000N 8 TB Ethernet Windows/Mac
WDA4NC40000N 4 TB Ethernet Windows/Mac
My Book World Edition II
With the double protection of two RAID mirrored drives, My Book World Edition II provides
double-safe central storage and automatic backup for all the PCs and Macs on your network.
3-year limited warranty.
Order Number Capacity Interface Operating System
WDH2NC40000N 4 TB Ethernet Windows/Mac
WDH2NC20000N 2 TB Ethernet Windows/Mac
My Book World Edition
™
My Book World Edition home network drive lets you store your photos for everyone to see, save
important family information, and keep your data safe with automatic, continuous backup from any
computer in your wired or wireless home network. 3-year limited warranty.
Order Number Capacity Interface Operating System
WDH1NC20000N 2 TB Ethernet Windows/Mac
WDH1NC10000N 1 TB Ethernet Windows/Mac
Network Storage