
Western Digital
Western Digital WDBFKT0040BGD-WESN 4TB My Passport Ultra Drive
★★★★★
USB 3.0USB 2.0
4TB of USB 3.0 portable storage in a metal-finish chassis — the My Passport Ultra is a reliable backup drive that travels as well as it stores.
$199.99*
View on Amazon
✓ In Stock on Amazon.com
*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Key Features
Brilliant design, pairing metal and matte finishes
Included WD Discovery software for social media and cloud storage import, backup and password protection
3-year limited warranty
Trusted drive built with WD reliability
USB 3.0 port; USB 2.0 compatible
Specifications
Brand
Western Digital
Model
WDBFKT0040BGD-WESN
Capacity
4TB
Interface
USB 3.0 (USB 2.0 compatible)
Color
White-Gold
Warranty
3-Year Limited
Software Included
WD Discovery
Similar Products
Other products from the same family that visitors often consider:
Currently UnavailableWestern Digital WDBBKD0040BBY My Passport Ultra 4TB Portable Hard Drive
Check on Amazon →
Currently UnavailableWestern Digital WDBFKT0040BGY-WESN 4TB My Passport Ultra
Check on Amazon →
✓ AvailableWestern Digital WDBFTM0040BSL My Passport Ultra 4TB
View on Amazon →
✓ AvailableWD WDBEZW0040BBA My Passport Ultra 4TB External Drive
$177.14
View on Amazon →
Currently UnavailableWestern Digital WDBBKD0040BBK-EESN 4TB My Passport Ultra USB 3.0
Check on Amazon →Pros & Cons
👍 Pros
- 4TB capacity in a bus-powered portable form factor handles full system backups without requiring a power outlet.
- USB 3.0 interface delivers consistent 100–130 MB/s real-world read speeds for bulk file transfers.
- Hardware-level password protection and AES encryption are built in — no third-party security software required.
- Metal and matte finish construction is more durable and premium-feeling than typical plastic portable drive shells.
- 3-year limited warranty provides meaningful coverage for a drive used in regular backup rotation.
👎 Cons
- HDD-based storage is significantly slower than portable SSDs for random access and small-file transfers — not suited for editing media directly off the drive.
- Ships Windows-formatted (NTFS), requiring reformatting before use as a native Mac drive.
- Spinning platter mechanism is vulnerable to damage from drops during active transport compared to solid-state alternatives.
- WD Discovery software is bloatware for users who just want a straightforward backup volume — setup can feel cluttered.
- USB-A connector limits compatibility with modern laptops that have moved fully to USB-C without an adapter.
Frequently Asked Questions
What interface does the My Passport Ultra use, and how fast is it in practice?
It uses USB 3.0, which supports theoretical transfer speeds up to 5 Gbps. Real-world sequential speeds for a 2.5" portable HDD like this land closer to 100–130 MB/s — fast enough for large file backups and media transfers, though not in the same class as portable SSDs.
Is this drive compatible with both Windows and Mac?
It ships formatted for Windows (NTFS). Mac users will need to reformat to exFAT or HFS+ for native read/write access, or use the included WD Discovery software, which offers limited Mac compatibility. Reformatting erases any pre-loaded software on the drive.
Does the drive require an external power source?
No. The My Passport Ultra is bus-powered via the USB connection, drawing all necessary power from the host device's USB port. No separate power adapter is needed.
What does the WD Discovery software actually do?
WD Discovery enables automatic backup scheduling, password protection with hardware encryption, and social media/cloud storage import (Google Drive, Dropbox, etc.). It's optional — the drive functions as standard portable storage without it installed.
What warranty does this drive carry?
Western Digital includes a 3-year limited warranty covering manufacturing defects. This does not cover accidental damage or data recovery.