---
product_id: 286665593
title: "4TB My Passport Ultra Silver Portable External Hard Drive HDD, USB-C and USB 3.1 Compatible - WDBFTM0040BSL-WESN"
brand: "wd"
price: "$503.69"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/286665593-4tb-my-passport-ultra-silver-portable-external-hard-drive-hdd
store_origin: US
region: United States of America
---

# USB-C & USB 3.1 blazing fast 4TB massive storage 256-bit AES hardware encryption 4TB My Passport Ultra Silver Portable External Hard Drive HDD, USB-C and USB 3.1 Compatible - WDBFTM0040BSL-WESN

**Brand:** wd
**Price:** $503.69
**Availability:** ✅ In Stock

## Summary

> 💼 Secure your data, style your desk, and never run out of space!

## Quick Answers

- **What is this?** 4TB My Passport Ultra Silver Portable External Hard Drive HDD, USB-C and USB 3.1 Compatible - WDBFTM0040BSL-WESN by wd
- **How much does it cost?** $503.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/286665593-4tb-my-passport-ultra-silver-portable-external-hard-drive-hdd)

## 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 Metal Design:** Refined silver metal cover that screams premium and professionalism.
- • **Massive 4TB Storage:** Carry your entire digital life effortlessly with ultra-high capacity.
- • **Military-Grade Security:** 256-bit AES hardware encryption keeps your sensitive data locked tight.
- • **Plug & Play Versatility:** Seamlessly compatible with Windows and Mac for instant productivity.
- • **Next-Gen USB-C & USB 3.1:** Experience lightning-fast data transfers that keep up with your hustle.

## Overview

The WD 4TB My Passport Ultra is a portable external hard drive featuring a sleek silver metal design, USB-C and USB 3.1 compatibility for fast data transfer, and robust 256-bit AES hardware encryption. With 4TB of storage, it offers ample space for professionals on the go, backed by a 3-year limited warranty and formatted for Windows with easy Mac reformatting.

## Description

WD 4TB My Passport Ultra Silver Portable External Hard Drive HDD, USB-C and USB 3.1 Compatible - 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 |
|---------------|-------|
| Brand | WD |
| Product Dimensions | 11 x 8.15 x 2.11 cm; 231.33 g |
| Item model number | WDBFTM0040BSL-WESN |
| Manufacturer | ‎Western Digital Technologies, Inc. |
| Series | My Passport Ultra |
| Color | Silver |
| Form Factor | 2.5-inch |
| RAM Size | 4 TB |
| Hard Drive Size | 4 TB |
| Hard Disk Description | Mechanical Hard Disk with a 2.5-inch form factor, 5400 rpm rotational speed, and USB 3.0 Type-C (USB 3.1 Gen 1) interface. |
| Hard Drive Interface | USB-C |
| Hard Disk Rotational Speed | 1 RPM |
| Number of USB 2.0 Ports | 1 |
| Hardware Platform | Mac, PC |
| Operating System | Mac reformatting, Windows 7+ |
| Are Batteries Included | No |
| Lithium Battery Energy Content | 2.6 British Thermal Units (BTUs) |
| Lithium Battery Packaging | Batteries contained in equipment |
| Lithium Battery Weight | 0.5 Milligrams |
| Number Of Lithium Ion Cells | 7 |
| Number of Lithium Metal Cells | 7 |
| Item Weight | 231 g |

## Product Details

- **Digital storage capacity:** 4 TB
- **Hard disk interface:** USB-C
- **Connectivity technology:** USB
- **Brand:** WD
- **Special features:** Hardware Encryption, Portable
- **Hard disk form factor:** 2.5 Inches
- **Hard disk description:** Mechanical Hard Disk with a 2.5-inch form factor, 5400 rpm rotational speed, and USB 3.0 Type-C (USB 3.1 Gen 1) interface.
- **Compatible devices:** Laptop, Game Console
- **Installation type:** External Hard Drive
- **Colour:** Silver

## Images

![4TB My Passport Ultra Silver Portable External Hard Drive HDD, USB-C and USB 3.1 Compatible - 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: What is data transfer speed ?**
A: Inside disk is a 5400 RPM disk. So Do not set a high expectation on transfer speed. Taking it as a backup disk would be a good choice.

**Q: Is this can connect with android phone..?**
A: I think  you can not connect.  It is best used with laptop and desktop, MacBook etc.

**Q: Does it come with a warranty ?**
A: Yesy

**Q: 1.is this compatible with apple macbook air 2020 laptop with type c
2. does it also come with type a adapter**
A: Yes.

## 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.us/products/286665593-4tb-my-passport-ultra-silver-portable-external-hard-drive-hdd](https://www.desertcart.us/products/286665593-4tb-my-passport-ultra-silver-portable-external-hard-drive-hdd)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-15*