| Manufacturer: | WESTERN DIGITAL |
| Manufacturer Part No: | WDBA2F0040BBL-WESN |
| General |
| Device Type: | Hard drive - external (portable) |
| Capacity: | 4 TB |
| Hardware Encryption: | Yes |
| Encryption Algorithm: | 256-bit AES |
| Interface: | USB 3.2 Gen 1 |
| Features: | Password authentication, HFS+ formatted, LED status indicator |
| Width: | 75 mm |
| Depth: | 107.2 mm |
| Height: | 19.15 mm |
| Weight: | 210 g |
| Performance |
| Interface Transfer Rate: | 5.0 Gbps (USB 3.0) / 480 Mbps (USB 2.0) |
| Expansion & Connectivity |
| Interfaces: | 1 x USB 3.2 Gen 1 |
| Power |
| Power Source: | USB bus |
| Software & System Requirements |
| Software Included: | WD Security, WD Drive Utilities, WD Discovery |
| OS Required: | Apple macOS 11 or later |
| Miscellaneous |
| Cables Included: | 1 x USB 3.0 cable - USB-C to micro-B - external
1 x USB 3.0 cable - USB Type A to micro-B - external |
| Compliant Standards: | RoHS, Directive 2002/95/EC |
| Enclosure Colour: | Midnight blue |
| Localisation: | Worldwide |
| Dimensions & Weight (Shipping) |
| Shipping Width: | 11.5 cm |
| Shipping Depth: | 4 cm |
| Shipping Height: | 16 cm |
| Shipping Weight: | 340 g |
| Manufacturer Warranty |
| Service & Support: | Limited warranty - 3 years |
| Environmental Parameters |
| Min Operating Temperature: | 5 °C |
| Max Operating Temperature: | 35 °C |
| Min Storage Temperature: | -20 °C |
| Max Storage Temperature: | 65 °C |
