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Wd My Book 4tb USB 3.0 External Hard Drive / Mfr. No.: Wdbfjk0040hbk-Nesn

Wd My Book 4tb USB 3.0 External Hard Drive / Mfr. No.: Wdbfjk0040hbk-Nesn
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Item Number: wes-wdbfjk0040hbknesn
Vendor Number: WDBFJK0040HBK-NESN
Vendor: Western Digital - Storage Solutions
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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.

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.

General Information

ManufacturerWestern Digital Corporation
Manufacturer Part NumberWDBFJK0040HBK-NESN
Manufacturer Website Address
Product LineMy Book 3.0
Product NameMy Book 4TB
Product TypeHard Drive

Technical Information

Storage Capacity4 TB
Platform SupportedPC
FeaturesPassword Protection

Drive Performance

Maximum External Data Transfer Rate640 MB/s (5 Gbit/s)


Host InterfaceUSB 3.0


Software Included
  • WD SmartWare
  • Acronis True Image WD Edition

Power Description

Input Voltage220 V AC
Power SourceAC Adapter

Physical Characteristics

Drive TypeExternal
Form FactorPortable
Weight (Approximate)2.27 lb


Package Contents
  • My Book 4TB
  • USB Cable
  • AC Adapter
  • Quick Install Guide
System RequirementsOperating System(s):
  • Windows XP
  • Windows Vista
  • Windows 7
  • Windows 8
  • Mac OS X 10.6.5 or later
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