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My Book
External Hard Drive


Complete backup and storage.



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Model: WDBFJK0040HBK-NESN
The world's best-selling external hard drive now features a new, smart, visual backup solution that protects your data automatically.
$169.99



Highlights

Complete backup for peace of mind.

My Book offers complete backup options with WD SmartWare Pro software for local and cloud backup and Acronis True Image WD Edition software for system level backup.

Keep your private stuff private.

Gain peace of mind knowing that your data is protected from unauthorized access with password protection and hardware encryption.

Works great with Windows 8.

WD's Windows 8 app makes it easy to discover the digital media stored on your My Book drive with your Windows 8 computer. Your content is automatically displayed and organized so you can easily locate and enjoy your photos, videos and music.



Overview

Ultra-fast transfer rates

My Book desktop storage is optimized for the best possible data transfer rates. Connect this drive to a SuperSpeed USB 3.0 port to save and access files up to 3x faster than with USB 2.0.

Automatic backup software

WD SmartWare Pro automatic backup software works quietly in the background to help protect your data using minimal PC resources. Select automatic continuous backup to instantly create a second copy of your files. Or select the scheduled backup option to back up your files on your schedule and take control of your backup.

System-level backup

Acronis® True Image WD Edition is an integrated software suite that ensures security of all information on your PC. It can back up the entire disk drive or selected partitions, including your operating system, applications, settings and all of your data. You can also use the software to securely delete any confidential data you no longer need.

Local and cloud backup

WD SmartWare Pro lets you choose. Back up your files to your My Book drive or back up your files to the cloud using your Dropbox™ account.* You can also back up files from your Dropbox account to your My Book drive for extra protection.

Universal connectivity

With this drive you get connectivity with the latest USB 3.0 devices as well as backward compatibility with USB 2.0 devices.
*Dropbox account required for cloud backup. Cloud services may be changed, terminated or interrupted at any time and may vary by country.

WD quality inside and out

We know your data is important to you. So we build the drive inside to our demanding requirements for durability, shock tolerance and long-term reliability. Then, we protect the drive with a durable enclosure designed for beauty.

Massive capacity

With up to 4 TB capacity, there's plenty of room to store and protect your precious memories and important files.

Secure your files

Use WD Security to set password protection and hardware encryption. Gain peace of mind knowing that your data is protected from unauthorized access.


Accessories
Cables
My Book USB 3.0 Cable (USB 3.0 to Micro B)
$14.99
Power Supplies
18W Power Adapter for My Book and My DVR Expander
$14.99
Carrying Cases
My Book Side Opening Case
$8.99
Specifications
Product Specifications
InterfaceUSB 3.0 and USB 2.0
Performance Specifications
Serial Transfer Rate
USB 3.0
Serial Bus Transfer Rate (USB 3.0)5 Gb/s (Max)
USB 2.0
Serial Bus Transfer Rate (USB 2.0)480 Mb/s (Max)
Physical Specifications
Capacity4 TB
Physical Dimensions
English
Height6.70 Inches
Depth5.50 Inches
Width1.90 Inches
Weight2.27 Pounds
Metric
Height170.60 mm
Depth139.30 mm
Width49.0 mm
Weight1.03 kg
Environmental Specifications
Temperature (English)
Operating41° F to 95° F
Non-operating-4° F to 149° F
Temperature (Metric)
Operating5° C to 35° C
Non-operating-20° C to 65° C
Electrical Specifications
Current Requirements
Power Dissipation
AC Input Voltage100-240 VAC
AC Input Frequency47-63 Hz
Compatibility
Operating System
CompatibilityWindows/Mac


Compatibility
  • Formatted NTFS
  • Windows XP, Windows Vista, Windows 7, Windows 8
  • Mac OS X 10.6.5 or later (requires reformatting)
Package Includes
  • External hard drive
  • WD SmartWare software (pre-loaded)
  • USB cable
  • AC adapter
  • Quick Install Guide
Complete Backup
Your computer is full of your precious memories, favorite music, video downloads and important personal files. But if you aren't backing up regularly, you're just one system crash or computer virus away from losing it all. WD provides a complete backup solution with My Book, by including WD Smartware Pro software for your file backup needs and Acronis® True Image WD Edition software for system-level backup.

WD SmartWare Pro for personal file backup

Your computer's hard drive is full of your family photos, favorite music, video downloads and important personal files. WD SmartWare Pro automatic backup software offers an easy way to schedule backups and protect your important files. With a variety of backup options, WD SmartWare Pro fits into anyone's busy schedule.

How do you want to back up?

Everyone likes to organize their files a little differently and with WD SmartWare you can pick the backup method that works for you. File backup lets you choose just the files and folders that you want to protect or you can back up your files based on category like photos, music and videos.

When do you want to back up?

Some people want their files instantly backed up while others prefer to only have backup running when they are not using the computer. With WD SmartWare, you can pick between automatic, continuous backup or schedule the day, time and frequency of your backup.

Where do you want to back up?

When you upgrade to WD SmartWare Pro, you can back up to your local external hard drive or to the cloud using your Dropbox* account. For double-safe protection, you can also back up the files in your Dropbox account to your local external hard drive.

Back up to any external USB drive.

When you upgrade to WD SmartWare Pro, you can back up your computer to any external hard drive whether that drive is from WD or from a third party.

* Dropbox account required for cloud backup. Cloud services may be changed, terminated or interrupted at any time and may vary by country.

It's easy to bring back lost files.

If you ever accidentally delete an important file or need to get an earlier version of a file, WD SmartWare helps you retrieve the file in seconds with the easy-to-use retrieve interface. WD SmartWare maintains the file structure that you have set up on your computer so it's easy to locate the file once you have retrieved it.

Visual interface shows backup progress.

WD SmartWare features a visual interface with gauges that display how much data you have to be backed up in each category. And as your backup progresses the gauges change color, showing you the backup as it happens.


Acronis True Image WD Edition for system-level backup

Acronis True Image WD Edition software ensures the security of all of the information on your PC. With it, you can back up the operating system, applications, settings and all of your data. You can back up the entire system disk drive or selected partitions.


Back up system files before upgrading your OS

When you're ready to upgrade your operating system, back up your system files using Acronis so that you can quickly reinstall the necessary files to be up and running quickly. If anything goes wrong with your upgrade, you can easily revert back to the previous OS.

Disaster recovery

Your computer will eventually crash. And because of this it's crucial that you take steps to prevent a complete loss of data. Use Acronis True Image WD Edition to back up your critical system files to your My Book drive. the Acronis software provides you with all the essential tools to recover your computer system should you lose data, accidentally delete critical files or folders, or suffer a complete hard disk crash.

Supported Operating systems

Acronis True Image WD Edition software is compatible with the following Windows operating systems:

  • Windows XP SP3
  • Windows XP Professional x64 Edition SP2
  • Windows Vista SP2 (all editions)
  • Windows 7
  • Windows 8

Free download

As the owner of a new My Book desktop hard drive, you can download the Acronis True Image WD Edition software for free from our support site and protect your critical system files. And because it's downloadable software, it doesn't take up any space on your My Book drive until you download it.

Download Software

Download User Manual
*Receive free standard shipping (UPS Ground) on purchases over $100 (excluding tax and shipping charges) at the WD Store. Offer not valid for addresses in Hawaii or Alaska. The WD Store reserves the right to change or discontinue this offer at any time.