Alphacool Core RX 7900XTX Reference Water Block with Backplate (13545) Instruction Manual

1. Introduction

This manual provides comprehensive instructions for the installation, operation, and maintenance of your Alphacool Core RX 7900XTX Reference water block with backplate. This product is designed to provide efficient liquid cooling for your AMD Radeon RX 7900XTX graphics card, enhancing thermal performance and stability. Please read this manual carefully before proceeding with installation to ensure proper setup and to prevent damage to your components.

2. Safety Information

Always observe the following safety precautions:

• Ensure your computer system is completely powered off and unplugged from the wall outlet before beginning installation.
• Discharge any static electricity from your body by touching a grounded metal object before handling components.
• Handle all components with care to avoid physical damage.
• Use only non-conductive coolant specifically designed for PC liquid cooling systems.
• Perform a leak test for at least 24 hours before powering on your system after installation.
• Keep liquids away from electronic components during installation and operation.
• If you are unsure about any step, consult a qualified technician or Alphacool support.

3. Package Contents

Verify that all the following items are present in your package:

• Alphacool Core RX 7900XTX Reference Water Block
• Alphacool Core RX 7900XTX Reference Backplate
• Mounting Screws and Washers
• Thermal Pads (pre-cut or sheet)
• Thermal Paste
• RGB Lighting Cable (if applicable)
• Installation Guide (this document or similar)

Note: Contents may vary slightly. Refer to the product packaging for the exact list.

4. Setup & Installation

This section outlines the steps for installing the Alphacool Core RX 7900XTX Reference water block onto your graphics card. It is recommended to perform this installation on a clean, static-free surface.

4.1 Preparing the Graphics Card

1. Remove Stock Cooler: Carefully remove the existing air cooler from your AMD Radeon RX 7900XTX graphics card. This typically involves unscrewing several screws from the back of the PCB and disconnecting fan and RGB cables. Refer to your GPU manufacturer's guide for specific instructions.
2. Clean GPU Die and Components: Gently clean the GPU die and surrounding memory modules/VRMs of any residual thermal paste or thermal pad residue using isopropyl alcohol and a lint-free cloth. Ensure all surfaces are clean and dry.

4.2 Applying Thermal Pads and Paste

3. Apply Thermal Pads: Cut the provided thermal pads to the correct sizes according to the installation diagram (usually found on the Alphacool website or included in the package). Carefully place them on the memory modules and VRM components of your graphics card. Ensure good contact and no air bubbles.
4. Apply Thermal Paste: Apply a small amount of the provided thermal paste to the center of the GPU die. A pea-sized amount is usually sufficient. The pressure from the water block will spread it evenly.

Image: Bottom view of the Alphacool Core RX 7900XTX water block, highlighting the precision-milled copper cooling plate designed for optimal heat transfer from the GPU die.

4.3 Mounting the Water Block

5. Position Water Block: Carefully align the water block with the mounting holes on your graphics card. Lower the block onto the GPU, ensuring the thermal paste and pads make proper contact.
6. Secure Water Block: Using the provided screws and washers, gently screw the water block onto the graphics card. Follow the recommended tightening pattern (e.g., diagonal) to ensure even pressure. Do not overtighten.

Image: Top view of the Alphacool Core RX 7900XTX water block, featuring the transparent acrylic top and the two G1/4" brass threads for coolant input and output.

Image: The Alphacool Core RX 7900XTX water block fully installed on a graphics card, demonstrating how it integrates with the PCB and provides a sleek, clear view of the coolant channels.

4.4 Installing the Backplate

7. Prepare Backplate: If thermal pads are required for the backplate, apply them according to the diagram.
8. Mount Backplate: Align the backplate with the mounting holes on the reverse side of the graphics card. Secure it with the provided screws. Ensure it sits flush against the PCB.

Image: The aluminum backplate for the Alphacool Core RX 7900XTX, designed to provide structural support and passive cooling to the rear of the graphics card.

4.5 Connecting to the Liquid Cooling Loop

9. Install Fittings: Screw your G1/4" fittings into the water block's ports. Ensure they are hand-tightened or tightened with an appropriate tool to prevent leaks.
10. Connect Tubing: Connect your liquid cooling tubing to the fittings, ensuring secure connections.
11. Connect RGB (Optional): If your water block includes RGB lighting, connect the RGB cable to a compatible motherboard header or RGB controller.

Image: An example of the Alphacool Core RX 7900XTX water block with clear tubing connected and its integrated RGB lighting activated, showcasing the customizable illumination.

4.6 Leak Testing

Before powering on your system, it is critical to perform a thorough leak test.

• Fill your liquid cooling loop with coolant.
• Use a dedicated leak tester or power only the pump (without powering other PC components) to circulate coolant.
• Inspect all connections and the water block for any signs of leaks for at least 24 hours. Place paper towels under components to easily spot drips.
• Only proceed to power on your system once you are absolutely certain there are no leaks.

5. Operation

Once installed and leak-tested, your Alphacool Core RX 7900XTX water block will actively cool your graphics card. Monitor your GPU temperatures using software utilities to ensure optimal performance. The integrated RGB lighting can be controlled via your motherboard's software or a dedicated RGB controller, depending on how it was connected during installation.

6. Maintenance

Regular maintenance is crucial for the longevity and performance of your liquid cooling system:

• Coolant Replacement: It is recommended to replace the coolant in your loop every 6-12 months, depending on the coolant type and usage.
• System Flush: When replacing coolant, consider flushing the entire loop with distilled water or a dedicated cleaning solution to remove any buildup.
• Visual Inspection: Periodically inspect the water block and tubing for any signs of leaks, discoloration, or particulate buildup.
• Dust Removal: Keep your PC case and radiators clean from dust to ensure efficient heat dissipation from the entire loop.

7. Troubleshooting

If you encounter issues, consider the following common troubleshooting steps:

• High GPU Temperatures:
  • Ensure proper thermal paste application and even mounting pressure.
  • Verify that thermal pads are correctly placed and making good contact.
  • Check for air bubbles in the loop, especially around the water block.
  • Confirm pump is operating correctly and coolant is flowing.
  • Ensure radiators are clean and fans are functioning.
• Leaks:
  • Immediately power off the system.
  • Tighten all fittings.
  • Inspect O-rings on fittings and the water block.
  • Replace any damaged components.
• RGB Lighting Not Working:
  • Check the RGB cable connection to the motherboard or controller.
  • Verify that the RGB header on the motherboard is enabled in BIOS/UEFI.
  • Ensure RGB software is correctly installed and configured.

For further assistance, please contact Alphacool customer support.

8. Specifications

Note: Specifications are subject to change without notice. For the most up-to-date information, please visit the official Alphacool website.

9. Warranty & Support

For detailed warranty information and technical support, please visit the official Alphacool website. The warranty period and terms may vary by region and product. Keep your proof of purchase for warranty claims.

Alphacool Official Website: www.alphacool.com