Product Overview
The Fantec DB-229U3-6G is a compact external enclosure designed for 2.5-inch SATA I/II/III hard disk drives (HDDs) or solid-state drives (SSDs) with a maximum height of 9.5 mm. It features a USB 3.0 interface for high-speed data transfer and supports the UASP protocol for enhanced performance. The enclosure is bus-powered, requiring no external power adapter. Its robust aluminum casing provides protection, and an integrated LED indicates operation and data access.
Key Features
- USB 3.0 interface for data transfer up to 5 Gbit/s.
- Compatible with 2.5-inch SATA I/II/III HDDs and SSDs (up to 9.5 mm height).
- Supports SATA III 6G with UASP for optimized performance.
- Bus-powered via USB 3.0, no external power supply required.
- Durable aluminum housing.
- LED indicator for power and data activity.
- Compact and portable design.
- Includes a synthetic leather protective case.
Package Contents
Verify that all items are present in the package:
- Fantec DB-229U3-6G Enclosure
- USB 3.0 Cable
- Synthetic Leather Protective Case
- User Manual (this document)
Installation Guide
Installing a 2.5-inch SATA Drive
- Gently slide open the enclosure cover.
- Connect your 2.5-inch SATA HDD or SSD to the SATA connector inside the enclosure. Ensure the connection is firm.
- Carefully slide the enclosure cover back into place until it is securely closed.

This image illustrates the process of opening the enclosure and connecting a 2.5-inch SATA drive to the internal connector.
Operation
Connecting to a Computer
- Connect one end of the supplied USB 3.0 cable to the USB 3.0 port on the Fantec DB-229U3-6G enclosure.
- Connect the other end of the USB 3.0 cable to an available USB 3.0 port on your computer.
- The LED indicator on the enclosure will illuminate, indicating power. It will blink during data access.
- Your operating system should automatically detect the new drive. If it is a new drive, it may require initialization and formatting before use. Refer to your operating system's documentation for drive management.

This image demonstrates the Fantec DB-229U3-6G enclosure connected to a computer using the provided USB 3.0 cable.
Disconnecting the Enclosure
Always safely remove the hardware through your operating system's "Safely Remove Hardware" or "Eject" function before physically disconnecting the USB cable. This prevents data corruption.
Maintenance and Care
- Keep the enclosure clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to open or repair the enclosure yourself, as this may void any applicable warranties and could cause damage.
- Protect the enclosure from drops and impacts. Use the provided synthetic leather case for added protection during transport.
Troubleshooting
Drive Not Detected
- Ensure the USB cable is securely connected to both the enclosure and the computer.
- Try connecting to a different USB port on your computer.
- Verify that the 2.5-inch SATA drive is correctly seated within the enclosure's SATA connector.
- If it's a new drive, check your operating system's Disk Management (Windows) or Disk Utility (macOS) to see if the drive needs to be initialized, partitioned, or formatted.
- Test the enclosure with a different known-working 2.5-inch SATA drive, or test your drive in another enclosure/system if possible.
Slow Data Transfer Speeds
- Ensure the enclosure is connected to a USB 3.0 port on your computer. Connecting to a USB 2.0 port will result in USB 2.0 speeds.
- Verify that your operating system and drivers support USB 3.0 and UASP.
- The performance of the internal drive (HDD/SSD) also affects overall transfer speed.
LED Indicator Not Lighting Up
- Check the USB cable connection.
- Try a different USB port.
- Ensure the computer is powered on and providing power to the USB port.
Technical Specifications
| Feature | Specification |
|---|---|
| Model | DB-229U3-6G (16876) |
| Compatible Drives | 2.5-inch SATA I/II/III HDD/SSD |
| Max Drive Height | 9.5 mm |
| Interface | USB 3.0 (backward compatible with USB 2.0) |
| Data Transfer Rate | Up to 5 Gbit/s (USB 3.0) |
| SATA Support | SATA III 6G with UASP |
| Power Supply | USB Bus-powered (no external adapter required) |
| Material | Aluminum |
| Indicator | LED for power and data access |
| Included Accessories | USB 3.0 cable, Synthetic leather protective case |
Safety Information
- Do not expose the device to moisture or liquids.
- Avoid dropping or subjecting the device to strong impacts.
- Keep out of reach of children.
- Use only the provided or compatible USB cables.
- Disconnect the device from the computer before cleaning.
- Dispose of electronic waste responsibly according to local regulations.