1. Product Overview
The Seagate Expansion Desktop 8TB External Hard Drive provides substantial storage capacity for your digital files, including photos, movies, and music. Designed for ease of use, it offers a simple drag-and-drop solution for backing up and transferring content. This drive is compatible with Windows computers and can be reformatted for use with Mac systems. It features a USB 3.0 interface for high-speed data transfer and includes built-in power management for energy-efficient operation.
2. What's in the Box
- Seagate Expansion Desktop Drive 8TB USB 3.0
- 18-inch USB 3.0 Cable
- 18W Power Adapter
3. Setup Instructions
- Connect the Power Adapter: Plug the 18W power adapter into the drive's power port and then into a wall outlet.
- Connect the USB Cable: Connect the 18-inch USB 3.0 cable to the drive's USB 3.0 port and then to an available USB 3.0 port on your computer. For optimal performance, use a USB 3.0 port. The drive is backward compatible with USB 2.0 ports, but transfer speeds will be limited to USB 2.0.
- Automatic Recognition (Windows): For Windows computers (Windows 8, Windows 7, or later), the drive should be automatically recognized without requiring additional software installation.
- Reformatting (Mac): For Mac computers, the drive will need to be reformatted before use. Refer to your Mac's Disk Utility for instructions on how to reformat the drive.

Image: Rear view of the Seagate Expansion Desktop drive, highlighting the USB 3.0 port and the power port for connection.
4. Operating Instructions
- Data Transfer: To transfer files, simply drag and drop them into the drive's folder once it appears on your computer.
- Backup: Utilize your operating system's built-in backup features or third-party software to create regular backups of your important data to the Seagate Expansion drive.
- Power Management: The drive features built-in power management to ensure energy-efficient operation. It may enter a low-power state after a period of inactivity.
5. Maintenance
- Safe Ejection: Always safely eject the drive from your computer before disconnecting it to prevent data corruption.
- Physical Care: Keep the drive in a stable environment, away from extreme temperatures, moisture, and direct sunlight. Avoid dropping or subjecting the drive to physical shocks.
- Cleaning: Use a soft, dry cloth to clean the exterior of the drive. Do not use liquid cleaners or solvents.
6. Troubleshooting
If you encounter issues with your Seagate Expansion Desktop drive, consider the following:
- Drive Not Detected:
- Ensure the power adapter is securely connected and the drive is receiving power.
- Verify the USB cable is firmly connected to both the drive and the computer.
- Try connecting the drive to a different USB port on your computer.
- Restart your computer.
- Slow Transfer Speeds:
- Ensure you are connected to a USB 3.0 port on your computer for optimal speeds.
- Check if other applications or processes are heavily utilizing your computer's resources.
- Mac Compatibility: If using with a Mac, ensure the drive has been correctly reformatted for macOS.
For further assistance, refer to the official Seagate support website.
7. Specifications
| Digital Storage Capacity | 8 TB |
| Hard Disk Interface | USB 3.0 |
| Connectivity Technology | USB |
| Brand | Seagate |
| Special Feature | Portable |
| Hard Disk Form Factor | 3.5 Inches |
| Hard Disk Description | Mechanical Hard Disk |
| Compatible Devices | Laptop, Mac, PC |
| Installation Type | Plug In |
| Color | Black |
| Item Model Number | STEB8000100 |
| Item Weight | 2.09 pounds |
| Product Dimensions (LxWxH) | 6.93 x 4.75 x 1.44 inches |
| Hard Drive Rotational Speed | 7200 RPM (estimated from 7.2E+3 RPM) |
8. Warranty and Support
The Seagate Expansion Desktop 8TB External Hard Drive includes a 1-year limited warranty. For detailed warranty terms, product registration, and technical support, please visit the official Seagate support website. Keep your purchase receipt as proof of purchase for warranty claims.
9. Product Visuals









