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WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN
Western Digital

Western Digital WD 4TB My Passport (WDBPKJ0040BBL-WESN)

Bottom line: The Western Digital WD 4TB My Passport ($229.00 on Amazon as of 2026-10-06): 4TB in a palm-sized shell that fits a jacket pocket; main trade-off: spinning platter drive, so far slower than an SSD.

$229.00

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Buy on Amazon — $229.00 Compare to similar external storage

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For external drives and portable storage, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 4TB in a palm-sized shell that fits a jacket pocket
  • ✓ Password protection with hardware encryption built in
  • ✓ Included backup software adds ransomware defense
  • ✓ 3-year limited warranty from Western Digital

Cons

  • ✗ Spinning platter drive, so far slower than an SSD
  • ✗ USB 3.1 Gen 1 speeds, not the faster Gen 2 or USB-C
  • ✗ Backup software needs download, install, and possibly registration
  • ✗ Mechanical drive is vulnerable to drops while spinning

Manufacturer description

The WD My Passport 4TB is Western Digital's palm-sized portable hard drive for people who need real capacity on the move without hauling a desktop enclosure. This model (WDBPKJ0040BBL-WESN, blue) packs 4TB into a slim, durable shell that slips into a jacket pocket or laptop bag, and it connects over USB 3.1 with USB 3.0 backward compatibility, so it works with older machines you have not retired yet. Security is the reason most buyers pick My Passport over a bare drive. Password protection with 256-bit hardware encryption keeps the contents locked if the drive walks off, and the included…

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SpecPicks Verdict

SpecPicks scored Western Digital WD 4TB My Passport using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Western Digital's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How much storage does this WD My Passport hold?

This model is the 4TB version (WDBPKJ0040BBL-WESN) in blue. Western Digital offers the My Passport line in capacities up to 6TB if you need more room.

Will it work with my older laptop?

Yes. The drive uses USB 3.1 and is backward compatible with USB 3.0 ports, so it connects to older machines, though transfer speeds drop to the port's limit.

Can I password protect the files on it?

Yes. My Passport includes password protection backed by hardware encryption, so the contents stay locked if the drive is lost or stolen.

Does it come with backup software?

Yes, Western Digital includes device management and backup software with defense against ransomware. Download and installation are required, and user account registration may be needed.

What warranty does Western Digital provide?

The drive carries a 3-year limited warranty. Check the product listing for current terms and regional coverage details before you buy.

Key Features

  • Slim durable design to help take your important files with you
  • Vast capacities up to 6TB[1] to store your photos, videos, music, important documents and more
  • Back up smarter with included device management software[2] with defense against ransomware
  • Help secure your important files with password protection and hardware encryption
  • 3-year limited warranty

Full Specifications

BrandWD
ColorBlue
Model NameMy Passport External Hard Drive
Unit Count1 Count
Form Factor2.5-inch
ConnectivityUSB
Model NumberWDBPKJ0040BBL-WESN
Built-In MediaMy Passport portable hard drive, Quick Start Guide, Software[2] for device management and backup with password protection, SuperSpeed USB-A cable (5Gbps)
Hard-Drive Size4 TB
Mfr Part NumberWDBPKJ0040BBL-WESN
Number of Items1
Special FeatureHardware Encryption, Portable
Hardware PlatformPC
Installation TypeExternal Hard Drive
Compatible DevicesDesktop, Laptop, Tablet
Data Transfer Rate1 megabits_per_second
Enclosure MaterialAluminum Or Glass
Additional FeaturesHardware Encryption, Portable
Hard Disk InterfaceUSB 2.0/3.0
Warranty Description3-year manufacturer's limited warranty
Full listing titleWD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN

Ready to buy?

WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $229.00

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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WD 4TB My Passport, Portable External Hard Drive, Blue, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0040BBL-WESN
$229.00
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