| Hard drive | 
|---|
| Device type | HDD | 
| Hard drive capacity | 4000 GB | 
| Data transmission | 
|---|
| USB data transfer rates | 5000 Mbit/s | 
| Ports & interfaces | 
|---|
| USB connectivity | Yes | 
| Thunderbolt technology | No | 
| USB version | 3.0 (3.1 Gen 1) | 
| Wi-Fi | No | 
| Performance | 
|---|
| USB version | 3.0 (3.1 Gen 1) | 
| Windows operating systems supported | Windows 10 Education,Windows 10 Education x64,Windows 10 Enterprise,Windows 10 Enterprise x64,Windows 10 Home,Windows 10 Home x64,Windows 10 Pro,Windows 10 Pro x64,Windows 7 Enterprise,Windows 7 Enterprise x64,Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Professional x64,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Ultimate,Windows 7 Ultimate x64,Windows 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64 | 
| USB data transfer rates | 5000 Mbit/s | 
| Plug and Play | Yes | 
| Card reader integrated | No | 
| Mac operating systems supported | Mac OS X 10.10 Yosemite,Mac OS X 10.11 El Capitan,Mac OS X 10.9 Mavericks | 
| Wi-Fi | No | 
| Power | 
|---|
| External power adapter | Yes | 
| USB powered | No | 
| Software | 
|---|
| Windows operating systems supported | Windows 10 Education,Windows 10 Education x64,Windows 10 Enterprise,Windows 10 Enterprise x64,Windows 10 Home,Windows 10 Home x64,Windows 10 Pro,Windows 10 Pro x64,Windows 7 Enterprise,Windows 7 Enterprise x64,Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Professional x64,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Ultimate,Windows 7 Ultimate x64,Windows 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64 | 
| Mac operating systems supported | Mac OS X 10.10 Yosemite,Mac OS X 10.11 El Capitan,Mac OS X 10.9 Mavericks | 
| Security | 
|---|
| Password protection | Yes | 
| Security algorithms | 256-bit AES | 
| Storage | 
|---|
| Card reader integrated | No | 
| Design | 
|---|
| Colour of product | Black | 
| Packaging content | 
|---|
| Cables included | USB | 
| Operational conditions | 
|---|
| Operating temperature (T-T) | 5 - 35 °C | 
| Storage temperature (T-T) | -20 - 65 °C | 
| Technical details | 
|---|
| USB version | 3.0 (3.1 Gen 1) | 
| Colour of product | Black | 
| Plug and Play | Yes | 
| Wi-Fi | No | 
| Bundled software | WD Backup, WD Security, WD Drive Utilities | 
| Weight & dimensions | 
|---|
| Weight | 2.2 lbs (1 kg) | 
| Width | 1.93" (49 mm) | 
| Depth | 5.48" (139.3 mm) | 
| Height | 6.72" (170.6 mm) | 
| Packaging data | 
|---|
| Cables included | USB | 
| Bundled software | WD Backup, WD Security, WD Drive Utilities | 
| Other features | 
|---|
| Quick start guide | Yes | 
| Device type | HDD | 
| AC adapter included | Yes |