1. Introduction
This manual provides essential information for the setup, operation, and maintenance of your WD Elements Portable External Hard Drive. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.
Product Overview
The WD Elements Portable External Hard Drive offers reliable, high-capacity storage in a compact design. It is designed for fast data transfers and is compatible with both USB 3.0 and USB 2.0 interfaces, making it suitable for a wide range of computers.

Figure 1: WD Elements Portable External Hard Drive

Figure 2: High Capacity and Connectivity Port
Package Contents
Ensure all items are present in the package:
- WD Elements Portable External Hard Drive (Model: WDBU6Y0040BBK-WESN-cr)
- USB Cable
2. Setup
Follow these steps to set up your WD Elements Portable External Hard Drive.
Connecting the Drive
- Locate an available USB port on your computer (PC or Mac). For optimal performance, use a USB 3.0 port.
- Connect the small end of the included USB cable to the USB port on the WD Elements Portable External Hard Drive.
- Connect the larger end of the USB cable to the USB port on your computer.

Figure 3: Connecting the drive to a computer
Initial Recognition
Upon connection, your operating system (Windows or macOS) should automatically detect the drive. A new drive letter or icon will appear in 'My Computer' (Windows) or 'Finder' (macOS).
The drive comes pre-formatted for immediate use with Windows. If you are using a Mac, you may need to reformat the drive to a Mac-compatible file system (e.g., HFS+ or APFS) using Disk Utility. Warning: Reformatting the drive will erase all data on it.
3. Operating the Drive
The WD Elements Portable External Hard Drive is designed for simple plug-and-play operation.
Data Transfer
To transfer files to or from the drive:
- Open 'My Computer' or 'Finder' and locate the WD Elements drive.
- Drag and drop files or folders to and from the drive, just like any other storage device.
- For faster transfers, ensure you are connected to a USB 3.0 port. The drive delivers maximum 3.0 performance.

Figure 4: Fast data transfers in progress
Improving PC Performance
You can use the external hard drive to free up space on your internal drive, which can significantly improve your computer's performance. Move large files, such as videos, photos, and documents, to the external drive.

Figure 5: Using the drive to improve PC performance
4. Maintenance
Proper care ensures the longevity and reliability of your WD Elements Portable External Hard Drive.
Safe Removal
Always safely eject the drive before disconnecting it from your computer to prevent data corruption:
- Windows: Click the "Safely Remove Hardware and Eject Media" icon in the system tray, then select the WD Elements drive.
- macOS: Drag the drive icon from the desktop to the Trash, or right-click (Ctrl-click) the drive icon and select "Eject".
Cleaning and Storage
- Clean the drive with a soft, dry, lint-free cloth. Do not use liquid cleaners or aerosols.
- Store the drive in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid dropping or subjecting the drive to physical shocks, as this can damage the internal components.

Figure 6: WD Quality and Reliability
5. Troubleshooting
If you encounter issues with your WD Elements Portable External Hard Drive, refer to the following common problems and solutions.
Drive Not Detected
- Check Connections: Ensure the USB cable is securely connected to both the drive and the computer. Try a different USB port on your computer.
- Try a Different Cable: If available, try using a different USB cable to rule out a faulty cable.
- Restart Computer: Sometimes a simple restart can resolve detection issues.
- Check Disk Management (Windows) / Disk Utility (macOS): Verify if the drive appears in your operating system's disk management tools. If it appears but is unformatted or has an unrecognized file system, you may need to format it (see "Initial Recognition" in Setup section).
Slow Data Transfer Speeds
- USB Port: Ensure you are connected to a USB 3.0 port for optimal speeds. USB 2.0 ports will result in slower transfers.
- Other USB Devices: Disconnect other high-bandwidth USB devices that might be competing for bandwidth.
- File Size: Transferring many small files can be slower than transferring a few large files of the same total size.
Drive Disconnects Randomly
- Power Management: On Windows, check USB Root Hub power management settings in Device Manager to ensure the computer is not turning off the USB device to save power.
- Cable Integrity: A damaged or loose USB cable can cause intermittent disconnections.
6. Specifications
Detailed technical specifications for the WD Elements Portable External Hard Drive.
| Feature | Detail |
|---|---|
| Model Number | WDBU6Y0040BBK-WESN-cr |
| Storage Capacity | 4 TB (4000 GB) |
| Interface | USB 3.0 / USB 2.0 |
| Hard Disk Type | Mechanical Hard Disk |
| Form Factor | 2.5 Inches |
| Color | Black |
| Dimensions (LxWxH) | 4.4 x 3.2 x 0.82 inches (11.18 x 8.13 x 2.08 cm) |
| Weight | 8.1 ounces (230 grams) |
| Compatible Operating Systems | Windows, macOS |

Figure 7: Product Dimensions
7. Warranty and Support
This product is sold as an Amazon Renewed item. Amazon Renewed products are professionally inspected and tested to work and look like new. They are backed by the Amazon Renewed Guarantee.
Amazon Renewed Guarantee
If you are not satisfied with your purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee. Please refer to the Amazon Renewed program terms and conditions for specific details regarding your purchase.
For support related to this renewed product, please contact Amazon customer service or the Amazon-qualified supplier directly.
For general product information or technical support for WD products, you may visit the official Western Digital support website: support.wdc.com