1. Product Overview
The Seagate SGD-NX020UBK is a 2TB external hard drive designed for high-speed data storage and transfer. It features a USB 3.0 interface, offering significantly faster performance compared to USB 2.0. This device is compatible with both personal computers and various digital televisions that support USB-HDD recording.
Key Features:
- Storage Capacity: 2TB for ample storage of videos, photos, and other large files.
- High-Speed Interface: USB 3.0 for data transfer speeds up to 5Gbps (theoretical value), which is up to 10 times faster than USB 2.0.
- TV Recording Compatibility: Supports recording on USB 3.0 compatible digital televisions, including features like simultaneous recording of two programs (functionality depends on TV specifications).
- Broad TV Compatibility: Connects to digital TVs from various manufacturers including Sharp (AQUOS), Toshiba (REGZA), Sony (BRAVIA), Panasonic (VIERA), LG Electronics (Smart TV), Hisense, DX Antenna, and Orion.
- Easy Setup: Includes an 'Easy Connection Guide' for straightforward setup with both PCs and TVs.
- PC Power Linkage: Automatically powers on/off with your PC.
- Access LED: Indicates drive activity.
- RoHS Compliant: Manufactured in accordance with RoHS directives.
Important Note: Use, support, and warranty for this product are not provided for use outside Japan. Your understanding is appreciated.
2. Setup Instructions
2.1 Package Contents
Before proceeding with the setup, ensure all items are present in the package:
- Seagate SGD-NX020UBK External Hard Drive
- USB 3.0 Cable (approx. 120 cm)
- AC Adapter (approx. 170 cm)
- Quick Guide (Easy Connection Guide)
2.2 Connecting to a PC
- Connect the AC adapter to the hard drive and then to a power outlet.
- Connect one end of the USB 3.0 cable to the hard drive's USB-Micro-B port.
- Connect the other end of the USB 3.0 cable to an available USB 3.0 port on your PC.
- The hard drive will be automatically recognized by your operating system (Windows or Mac OS). Follow any on-screen prompts for initial setup if they appear.

Image: Seagate SGD-NX020UBK external hard drive with its USB and power cables connected.
2.3 Connecting to a TV for Recording
This hard drive can be used to record programs from compatible digital televisions. Refer to the included 'Easy Connection Guide' for detailed, TV-specific instructions. General steps are as follows:
- Ensure your TV supports USB-HDD recording and has a USB 3.0 port.
- Connect the AC adapter to the hard drive and then to a power outlet.
- Connect one end of the USB 3.0 cable to the hard drive's USB-Micro-B port.
- Connect the other end of the USB 3.0 cable to an available USB 3.0 port on your TV.
- Your TV should detect the new storage device. Follow the on-screen instructions on your TV to format the hard drive for recording. Note: Formatting will erase all data on the drive.

Image: Front view of the Seagate SGD-NX020UBK external hard drive.

Image: Diagram illustrating compatibility with various TV brands for recording, each with an 'Easy Connection Manual' link. Brands include Sharp AQUOS, Sony BRAVIA, Toshiba REGZA, Panasonic VIERA, LG LCD TV, Hitachi Wooo, Orion LCD TV, Hisense LCD TV, and Mitsubishi Electric REAL.
3. Operating Instructions
3.1 Data Transfer (PC)
Once connected to your PC, the hard drive will appear as an external storage device. You can drag and drop files, copy and paste, or use backup software to transfer data to and from the drive. The USB 3.0 interface ensures fast transfer speeds for large files.
3.2 TV Recording
After successful connection and formatting with your compatible TV, you can use the TV's recording functions to store programs directly onto the external hard drive. Refer to your TV's instruction manual for specific recording procedures, scheduling, and playback options. Some TVs may support advanced features like simultaneous recording of multiple channels when connected via USB 3.0.
3.3 Power Management
The hard drive supports PC power linkage, meaning it will automatically power on when your PC starts and power off when your PC shuts down or enters sleep mode. This feature helps conserve energy and prolong the life of the drive.
4. Maintenance
To ensure optimal performance and longevity of your Seagate external hard drive, consider the following:
- Physical Care: Handle the drive with care. Avoid dropping it or subjecting it to physical shocks, as this can damage the internal components.
- Environment: Keep the drive in a cool, dry place, away from direct sunlight, extreme temperatures, and high humidity.
- Cleaning: Use a soft, dry cloth to clean the exterior of the drive. Do not use liquid cleaners or solvents.
- Data Backup: Regularly back up important data stored on the external hard drive to another storage medium to prevent data loss in case of unforeseen issues.
5. Troubleshooting
If you encounter issues with your Seagate external hard drive, try the following basic troubleshooting steps:
- Drive Not Detected:
- Ensure the AC adapter is securely connected to both the drive and a working power outlet.
- Verify the USB cable is firmly connected to both the drive and the PC/TV.
- Try connecting the drive to a different USB port on your PC/TV.
- If connecting to a PC, try a different USB cable if available.
- Restart your PC or TV.
- Slow Data Transfer:
- Ensure the drive is connected to a USB 3.0 port on your PC/TV. USB 2.0 ports will result in slower speeds.
- Check if other USB devices are consuming significant bandwidth.
- TV Recording Issues:
- Confirm that your TV model explicitly supports USB-HDD recording.
- Ensure the hard drive has been correctly formatted by your TV.
- Refer to your TV's instruction manual for specific recording and playback troubleshooting.
- Drive Not Powering On:
- Check the power outlet with another device to ensure it is functional.
- Ensure the AC adapter is not damaged.
If problems persist after attempting these steps, please contact Seagate customer support.
6. Specifications
| Model Number | SGD-NX020UBK |
| Brand | Seagate |
| Digital Storage Capacity | 2 TB (2000 GB) |
| Hard Disk Interface | USB 3.0 |
| Connectivity Technology | USB-Micro-B |
| Compatible Devices | TV, PC |
| Installation Type | Plug-in |
| Color | Black |
| Product Use | TV Recording |
| Hard Disk Description | Mechanical Hard Disk |
| Operating System Compatibility | Windows 10/8.1/8/7, Mac OS X 10.11~10.8 |
| External Dimensions (W×D×H) | 120.6 mm × 176 mm × 36.6 mm |
| Weight | Approx. 950 g |
| Rotation Speed | Non-fixed |
| Input Voltage | 100V, 50/60Hz (via AC adapter) |
| PC Power Linkage | Yes |
| Access LED | Yes |
| RoHS Directive | Yes |
| Included Accessories | USB 3.0 Cable, Quick Guide, AC Adapter |
7. Warranty Information
This product comes with a 1-year warranty from the date of purchase.
The warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
Important: The warranty and support for this product are valid only for use within Japan. Any use, support, or warranty claims for this product outside of Japan are not covered.
8. Customer Support
For further assistance, technical support, or warranty inquiries, please refer to the included 'Easy Connection Guide' or contact Seagate customer support.
Seagate provides a comprehensive phone support system with domestic staff to assist users, especially those new to external hard drives.
You can find additional resources and contact information on the official Seagate website: Seagate Japan Support





