






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









| 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 |
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