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DIY Budget eGPU

TekgnomeTekgnome·
eGPU Desktop
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By following these steps, you can build a budget-friendly eGPU dock using the ADT-Link UT3G board to enhance the performance of your ROG Ally X, enabling it to handle more demanding tasks and games with improved graphics capabilities.

Components Needed

  1. ADT-Link UT3G Board: A specific eGPU interface board that connects your graphics card to the ROG Ally X.
    ($142) ADT-Link UT3G AliExpress purchase link
    ($169) ADT-Link UT3G Amazon purchase link
    ($116) TH3P4G3 AliExpress purchase link
    ($122) TH3P4G3 Amazon purchase link
  2. Graphics Card: A compatible graphics card that fits within the power and size limitations of your setup.
    – ($439) RTX 4060 Ti
    – ($389) RTX 3070 Ti
  3. Power Supply: Ensure the power supply is adequate for your chosen graphics card.
    ($109) Seasonic 750w
    ($71) SilverStone 300w
    ($34) Apevia 500w
  4. Cables and Adapters: Quality Thunderbolt 4 or USB-C 40GB cables, and any necessary power cables for the graphics card.
  5. Optional Enclosure: If printing an enclosure, ensure it is designed to fit the ADT-Link UT3G board, the graphics card, and provides proper ventilation.

Steps to Build

  1. Select Compatible Components: Ensure your GPU and Power Supply are matched for each other. You should aim for at least a 33% overhead, i.e a 200w GPU needs a minimum of 266w. This will ensure a longer lifespan of the PSU and quieter operations.
  2. Assemble the eGPU Setup:
    • Connect the graphics card to the ADT-Link UT3G board.
    • Secure the card to the board using screws if necessary.
    • Optionally, place the board and GPU into the printed enclosure, ensuring it fits well and allows for adequate ventilation.
  3. Connect Power Supply:
    • Connect the power cables from the power supply to the graphics card.
    • Ensure all power connections are secure to prevent power loss or damage.
  4. Install Drivers and Software:
    • Connect the ADT-Link UT3G board to the ROG Ally X using the Thunderbolt 4 or USB-C cable.
    • Power on the setup.
    • Install any required drivers for the eGPU and the graphics card. You might need to download specific drivers from the graphics card manufacturer’s website.
  5. Configure System Settings:
    • Once the eGPU is connected and recognized, configure your system settings to use the external GPU.
    • You may need to adjust display settings to ensure the ROG Ally X is using the eGPU for rendering.
  6. Test the Setup:
    • Run benchmark tests to ensure the eGPU is functioning correctly and providing the expected performance boost.
    • Check for any overheating issues and ensure the thermal management is adequate.

Tips for Optimal Performance

  • Cooling: Ensure good airflow around the eGPU setup. Consider additional cooling options if needed.
  • Cable Quality: Use high-quality Thunderbolt 3 or USB-C cables to ensure stable data transfer rates.
  • Software Updates: Keep your system and drivers updated for optimal performance and compatibility.
  • Troubleshooting: If you encounter issues, refer to the HandHeldModz Discord server for eGPU setups for troubleshooting tips and advice.