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Home  >  External Hard Drives >  Item # WDBFJK0040HBK (MFR# WDBFJK0040HBK-NESN)
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My Book 4TB External USB 3.0 Drive
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Western Digital My Book 4TB External USB 3.0 Drive

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Condition: Brand new, USA Warranty
Ultra-fast backup and storage with USB 3.0 connectivity, WD SmartWare automatic backup software, and password protection with hardware encryption.
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$120.00 (48%)
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Secure your precious memories on My Book desktop storage. This USB 3.0 drive is optimized for the fastest possible data transfer rates and features complete protection for your files. WD SmartWare Pro automatic backup software protects your precious memories, while Acronis True Image WD Edition helps ensure the security of all the information on your PC. Password protection with hardware encryption keeps your private stuff private.


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

Universal connectivity
With this drive you get compatibility with the latest USB 3.0 devices and backward compatibility with USB 2.0 devices as well.

Local and cloud backup
WD SmartWare Pro automatic backup software lets you choose when and where you back up your files.

  • Choose scheduled backup to back up your files on the schedule that fits your needs.
  • Choose automatic, continuous backup to make a second copy of your files as they are added or changed and saved.
  • Use your Dropbox account to back up your files to the cloud. Dropbox account is required for cloud backup. Cloud services may be changed, terminated or interrupted at any time and may vary by country.

System-level backup
Acronis True Image WD Edition is an integrated software suite that helps secure all the information on your PC. With it you can back up your files on a system level, including your operating system, securely delete confidential data, restore backed up data quickly and restore your system should your computer crash. It?s the perfect complement to the file level backup of WD SmartWare Pro.

Secure your files
WD Security utility allows you to set password protection and hardware encryption for your drive to help keep your private stuff private.

WD Drive Utilities software
Register your drive, set drive timer, run diagnostics and more using WD Drive Utilities.

Works great with Windows 8
With WD?s Windows 8 app, it?s 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.

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.


USB 3.0
USB 2.0

Height: 6.7 in (171 mm)
Depth: 5.5 in (139 mm)
Width: 1.9 in (49 mm)
2.27 lb. (1.03 kg) 4 TB
2.23 lb. (1.01 kg) 3 TB
1.96 lb. (0.89 kg) 2 TB

System Compatibility
Formatted NTFS for Windows 8,
Windows 7, Windows Vista, or
Windows XP

Kit Contents
External hard drive
USB cable
AC adapter
WD SmartWare Pro software
Quick Install Guide

Operating Specifications
Data transfer rate:1 Up to 5 Gb/sec in USB 3.0 mode and up to 480 Mb/sec in USB 2.0 mode
Operating temperature: 5 C to 35 C
Non-op. temperature: ?20 C to 65 C

Limited Warranty
2 years - Americas/EMEA
3 years - APAC/Japan

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