






💼 Secure your data, style your desk, and never run out of space!
The WD My Passport Ultra Silver is a portable 4TB external hard drive featuring USB-C and USB 3.1 compatibility for ultra-fast transfers. Its sleek metal design offers a premium look, while 256-bit AES hardware encryption ensures top-tier data security. Pre-formatted for Windows and compatible with Mac, it’s backed by a 3-year limited warranty, making it the perfect blend of style, speed, and safety for professionals on the go.









| 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 | Portable | 
| 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 | 
M**.
Small and fast
Great work. Fast data transfer. Enjoying it.
D**A
Good product
Small size , slim and fast data transfer
M**L
Service is good
I am happy. Product delivered is on expected line.
S**Y
Chetha performance
Hards disk working was good , reading & writing of date was pretty fast .C cable gives it power for fast process.
N**L
Silver
Good! hope will be long lasting
A**R
WD never lets you down
Great as expected from WD.
A**D
POOR SPEED AND PERFORMANCE
extrememly slow just after few month and not even 1 tb data
R**I
Perfect
slim and fast. i am very happy with this product. its working very nice
Trustpilot
1 month ago
1 day ago