Model Name WDBPKJ0040BBL-WESN
Key Features and Specifications
- Type: HDD
- Capacity: 4 TB
- Color Options: Blue, Black
- System Requirements: Windows 10, Windows 8.1
- Form Factor: Portable
- Encryption: 256-bit AES Hardware Encryption
- Data Transfer Rate: USB 3.0 up to 5 Gbps, USB 2.0 up to 480 Mbps
- Password Protection: Yes
- Dimensions: 75 mm (W) x 19.15 mm (H) x 107.2 mm (D)
- Weight: 210 g
- Warranty: 3 Years Limited Warranty (Carry-in)
Design and Build Quality
The WD My Passport 4 TB external hard drive features a sleek and ultra-slim design, making it highly portable. It is priced under INR 8000 (offer sale price~7787 INR on Flipkart) in many online stores such as Flipkart and Amazon. The drive is available in two color options—blue and black (combined)—allowing users to choose according to their preferences. Its compact dimensions and lightweight build (210 g) make it easy to carry around, fitting comfortably in a bag or even a pocket.

Performance and Data Security
Equipped with USB 3.0, this HDD offers fast data transfer rates of up to 5 Gbps, ensuring quick backups and file transfers. It is also compatible with USB 2.0, though at slower speeds (up to 480 Mbps). The 256-bit AES hardware encryption with password protection ensures that your data remains secure. The WD Discovery software enables users to set personalized passwords, adding an extra layer of security.
The reported performance using CrystalDiskMark scores is shown below. The WD My Passport provides a good read speed of 41 MB/s and a write speed of 33 MB/s, which is quite reasonable for transferring large files. CrystalDiskMark scores are shown below.



In comparison, the TOSHIBA 1 TB HDD has a read speed of 43 MB/s and a write speed of 36 MB/s, making the WD My Passport’s performance reasonable. However, the installed SSD Zebronics ZEB-MN26 PCIE M.2 NVME 256G is the fastest, with read and write speeds of 2313 MB/s and 1057 MB/s, respectively. The TOSHIBA 1TB HDD and Zebronics SSD are used for comparison only, and the CrystalDiskMark scores are shown above.
Software Integration
- WD Backup: This software allows users to automatically back up data from their Windows systems based on a set schedule. This feature is particularly useful for those who frequently update their files and want to ensure that their data is always backed up.
- WD Discovery: This software facilitates the management of the hard drive and includes features like importing and organizing content from social media accounts. WD Discovery also includes WD Utilities, which helps in the management and maintenance of the hard drive.
- Compatibility: The drive is designed primarily for Windows 10 and Windows 8.1, making it a suitable choice for users with these operating systems.
Ease of Use
The WD My Passport hard drive is user-friendly, coming with all necessary cables for immediate use. Its plug-and-play functionality ensures that users can start backing up their data right away without any complicated setup processes. The Super Speed USB ensures a quick and efficient backup experience. Working perfectly with Windows, Mac, and Linux operating systems.
Durability and Reliability
Built to last, this portable hard disk drive is designed as a reliable, long-term storage solution. The 3-year limited warranty offers peace of mind, ensuring that users are covered in case of any manufacturing defects or issues.
Pros and Cons
Pros
- High Capacity: With 4 TB of storage, it provides ample space for storing large amounts of data, including photos, videos, and documents.
- Fast Data Transfer: USB 3.0 offers high-speed data transfer, making it efficient for backing up and transferring large files.
- Data Security: 256-bit AES hardware encryption and password protection ensure data security.
- Portable and Stylish: The sleek design and lightweight build make it easy to carry, and the color options add a touch of style.
- User-Friendly Software: WD Backup and WD Discovery software add significant value, making data management and backup seamless.
Cons
- Carry-in Warranty Service: The warranty service is carry-in, which might be less convenient compared to on-site or mail-in warranty services.
- A Little Noisy: Yes, it makes noise, which might be irritating to many users.
Conclusion
The WD My Passport 4 TB external hard drive (Model WDBPKJ0040BBL-WESN) stands out as a highly reliable and efficient storage solution. Its sleek design, coupled with robust security features and user-friendly software, makes it a great choice for users looking for a portable and secure external hard drive. The high data transfer rates and substantial storage capacity further enhance its appeal. However, potential buyers should consider its compatibility limitations if they use operating systems other than Windows 10 or Windows 8.1. Overall, it is a well-rounded product suitable for a wide range of data storage needs.