---
product_id: 84375908
title: "4TB My Passport Ultra, Silver, Portable External Hard Drive, backup software with defense against ransomware, and password protection, USB-C and USB 3.1 - WDBFTM0040BSL-WESN"
brand: "wd"
price: "€ 297.75"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/84375908-4tb-my-passport-ultra-silver-portable-external-hard-drive-backup
store_origin: FI
region: Finland
---

# USB-C & USB 3.1 for blazing 5 Gb/s transfer Massive 4TB portable storage 256-bit AES hardware encryption 4TB My Passport Ultra, Silver, Portable External Hard Drive, backup software with defense against ransomware, and password protection, USB-C and USB 3.1 - WDBFTM0040BSL-WESN

**Brand:** wd
**Price:** € 297.75
**Availability:** ✅ In Stock

## Summary

> 💼 Elevate your data game with style and security!

## Quick Answers

- **What is this?** 4TB My Passport Ultra, Silver, Portable External Hard Drive, backup software with defense against ransomware, and password protection, USB-C and USB 3.1 - WDBFTM0040BSL-WESN by wd
- **How much does it cost?** € 297.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/84375908-4tb-my-passport-ultra-silver-portable-external-hard-drive-backup)

## Best For

- wd enthusiasts

## Why This Product

- Trusted wd brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek meets sturdy:** Refined metal cover blends modern style with durable protection for your on-the-go lifestyle.
- • **Speed that keeps up:** USB-C and USB 3.1 compatibility deliver lightning-fast 5 Gb/s transfers—no more waiting around.
- • **Plug, play, and protect:** WD Backup software and ransomware defense ensure your memories are safe with effortless backup.
- • **Universal compatibility:** Works seamlessly with Windows 7, 8.1, 10 and easily reformatted for Mac users—flexibility that fits your workflow.
- • **Secure your digital life:** Advanced password protection with military-grade 256-bit AES encryption keeps your data fortress-tight.

## Overview

The WD 4TB My Passport Ultra is a portable external hard drive combining a sleek metal design with robust 4TB storage capacity. Featuring USB-C and USB 3.1 compatibility for fast 5 Gb/s data transfers, it includes advanced 256-bit AES hardware encryption and password protection to safeguard your files. Preloaded with WD Backup software and ransomware defense, it offers seamless, secure backup solutions for Windows users, with easy Mac compatibility via reformatting.

## Description

WD 4TB My Passport Ultra, Silver, Portable External Hard Drive, backup software with defense against ransomware, and password protection, USB-C and USB 3.1 - WDBFTM0040BSL-WESN

## Features

- USB-C and USB 3.1 compatible
- Innovative style with refined metal cover
- Password protection with 256-bit AES hardware encryption
- Formatted for Windows
- 3-year manufacturer's limited warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| RAM | 4 TB |
| Hard Drive | 4 TB Portable |
| Number of USB 2.0 Ports | 1 |
| Brand | WD |
| Series | My Passport Ultra |
| Item model number | WDBFTM0040BSL-WESN |
| Hardware Platform | Mac, PC |
| Operating System | Mac reformatting, Windows 7+ |
| Item Weight | 8.2 ounces |
| Product Dimensions | 4.33 x 3.21 x 0.83 inches |
| Item Dimensions  LxWxH | 4.33 x 3.21 x 0.83 inches |
| Color | Silver |
| Flash Memory Size | 4 GB |
| Hard Drive Interface | USB 3.0 |
| Hard Drive Rotational Speed | 1 RPM |
| Manufacturer | ‎Western Digital Technologies, Inc. |
| ASIN | B07GK2PC5V |
| Is Discontinued By Manufacturer | No |
| Date First Available | September 19, 2018 |

## Product Details

- **Digital Storage Capacity:** 4 TB
- **Hard Disk Interface:** USB 3.0
- **Connectivity Technology:** USB
- **Brand:** WD
- **Special Feature:** Hardware Encryption, Portable
- **Hard Disk Form Factor:** 2.5 Inches
- **Hard Disk Description:** Portable
- **Compatible Devices:** PC
- **Installation Type:** External Hard Drive
- **Color:** Silver

## Images

![4TB My Passport Ultra, Silver, Portable External Hard Drive, backup software with defense against ransomware, and password protection, USB-C and USB 3.1 - WDBFTM0040BSL-WESN - Image 1](https://m.media-amazon.com/images/I/A1-wF8NPoJL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: How is it different from other WD drives sold for 99$?**
A: The 99 dollar models transfer on my computer at around 90 MB sec, bought this USB-c model without realizing it was different, only transfers at 35 MB sec on same computer, considerably slower for more money, stay away.

**Q: What cable will I need to get to connect this to a usb3 port?**
A: Requires a USB-C cable.  I purchased one for $10 at my local computer store.

**Q: Can I boot from this drive on a mac?  In other words, is it bootable?**
A: Yes, if you format the drive in Mac native format, and use a clone application like Bombich Carbon Copy Cloner (CCC), the external drive should be bootable on your Mac.   You have to have macOS copied over, for it to be bootable.  You hold down the option key when booting, to get a boot device selection menu during the boot.

**Q: Good to use with a crome pixelbook (chrome os) ?**
A: The short answer is YES. You will need to format the external hard drive  through your files (blue) folder. However, before doing that, connect the external drive to your USB port and try to save a file to the hard drive. If it works fine, then you don't need to reformat. Hope that helps.

## Frequently Bought Together

- WD 4TB My Passport Ultra, Silver, Portable External Hard Drive, backup software with defense against ransomware, and password protection, USB-C and USB 3.1 - WDBFTM0040BSL-WESN
- Lacdo Hard Drive Carrying Case for Western Digital WD Elements/WD My Passport/WD My Passport Ultra Portable External Hard Drive HDD 1TB 2TB 4TB 5TB 6TB USB 3.0 Protective Storage Travel Bag, Black

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**Shop now:** [https://www.desertcart.fi/products/84375908-4tb-my-passport-ultra-silver-portable-external-hard-drive-backup](https://www.desertcart.fi/products/84375908-4tb-my-passport-ultra-silver-portable-external-hard-drive-backup)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-24*