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White slim portable hard drive, rectangular with rounded edges

Western Digital

Western Digital My Passport 4TB USB 3.2 White WDBPKJ0040BWT-WESN

SKU CH-NWKT-RBX6P

A slim 4 TB portable hard drive with USB 3.2 Gen 1, automatic backup software and 256-bit AES hardware encryption

  • ColorWhite
  • InterfaceUSB 3.2 Gen 1
  • Capacity4TB
  • FeaturesSlim style Make the most of your journey with style that sui
  • System RequirementsWindows 10 or Windows 8.1 operating systems. Requires reform
  • Dimensions0.75" x 2.95" x 4.22"

Capacity 4TB

Struck-through versions exist but are not stocked here.

  • Slim 0.75" profile fits easily in a bag
  • Automatic WD Backup software protects files on your schedule
  • 256-bit AES hardware encryption secures data with a password
  • USB 3.2 Gen 1 interface delivers fast transfers
  • 4TB capacity stores large photo, video and music libraries

Slim 4 TB portable drive for everyday backups

This Western Digital My Passport provides 4 TB of storage in a slim white enclosure. It connects through a USB 3.2 Gen 1 port and works with Windows 10 or Windows 8.1 out of the box. The drive includes WD Discovery software for automatic backup scheduling and 256-bit AES hardware encryption with password protection. It is suited for users who want a simple, portable backup solution for photos, videos and documents.

Metal enclosure with integrated cable and software

The drive measures .75 by 2.95 by 4.22 inches and features a slim style that slides easily into a bag. A SuperSpeed USB cable is included in the package, so no separate cable purchase is required. The USB 3.2 Gen 1 interface is backward compatible with USB 2.0 ports, though transfer rates will be limited on older ports. Built-in 256-bit AES encryption secures data once a password is set through WD Discovery.

Check operating system

The drive is pre-formatted for Windows 10 and Windows 8.1; macOS and other systems will require reformatting before use. Verify that your device has an available USB-A port or a suitable adapter for the supplied cable. No external power adapter is needed, as the drive draws power directly from the USB connection. Buyers who need hardware encryption without software setup or who require a ruggedised, water-resistant enclosure should consider other options.

Highlights

  • Slim 0.75" profile fits easily in a bag
  • Automatic WD Backup software protects files on your schedule
  • 256-bit AES hardware encryption secures data with a password
  • USB 3.2 Gen 1 interface delivers fast transfers
  • 4TB capacity stores large photo, video and music libraries

Specifications

BrandWD
SeriesMy Passport
ModelWDBPKJ0040BWT-WESN
ColorWhite
InterfaceUSB 3.2 Gen 1
Capacity4TB
FeaturesSlim style
Make the most of your journey with style that suits you. The new My Passport has been redesigned to feature a convenient, slim form factor and is available in a range of vibrant colors.
Backed up
Make sure everything you create while on your own life journey - photos, videos, music, and documents - doesn't get lost. The My Passport drive comes equipped with WD Backup software that can be set to run automatically to your schedule. Just pick the time and frequency to back up important files from your system onto your My Passport drive.
Locked down
Keep your digital life's co
System RequirementsWindows 10 or Windows 8.1 operating systems. Requires reformatting for other operating systems.
Dimensions0.75" x 2.95" x 4.22"
Package ContentsPortable hard drive
SuperSpeed USB cable
WD Discovery software
Quick install guide

Other versions of this model

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Questions about this item

What real-world speed does the USB 3.2 Gen 1 interface cap at?

The USB 3.2 Gen 1 connection limits transfer rates to 5 Gbps, though actual throughput depends on the host controller and file sizes.

Will the 0.75 x 2.95 x 4.22 inch drive fit in a standard laptop bag pocket?

At under an inch thick and just over four inches long, the slim white chassis slides easily into most laptop sleeves or small bag compartments.

How do I enable the 256-bit AES hardware encryption, and what step do users often miss?

Install WD Discovery, launch the security tab, set a personal password, then confirm the lock icon appears — skipping the confirmation leaves the drive unencrypted.

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