Why Correct Thermal Pads are Crucial for Your ASUS RX 5700 EVO OC
Thermal pads play a vital role in your graphics card's cooling system. They bridge the microscopic gaps between heat-generating components—such as the VRAM (Video Random Access Memory) modules on the front of the PCB and specific areas on the PCB that make contact with the backplate—and the card's heatsink and backplate assembly. This direct contact facilitates efficient heat transfer.
Using old, deteriorated, or incorrectly sized/thicknessed thermal pads can lead to several problems:
- Increased Operating Temperatures: This can cause thermal throttling, where the GPU or VRAM reduces performance to prevent overheating.
- System Instability: Overheating can lead to game crashes, visual artifacts, or system freezes.
- Reduced GPU Lifespan: Prolonged exposure to high temperatures can degrade electronic components over time.
Replacing thermal pads with new, high-quality ones of the correct thicknesses is an important maintenance step to keep your ASUS RX 5700 EVO OC running effectively.
Recommended Thermal Pad Sheets & Thicknesses for ASUS Radeon RX 5700 EVO OC 8GB DUAL
For the ASUS Radeon RX 5700 EVO OC 8GB DUAL, specific thermal pad thicknesses are recommended for the front VRAM and for pads interfacing with the backplate.
VRAM (Front GDDR6 Modules):
- Required Thickness: 1.5mm
- Details: There are 8 GDDR6 modules on the front of the PCB, each with approximate dimensions of 12mm x 14mm.
- Total Coverage Needed: Approximately 1344 square millimeters for all 8 modules.
- Required Sheet: You can safely cut all 8 VRAM pads from one (1) sheet of 85mm x 45mm x 1.5mm thermal pad material.
Backplate Pads (for general PCB cooling under the backplate):
- Required Thickness: The backplate requires a thickness of 2mm for its thermal pads.
- Note: The RX 5700 GPU typically does not have VRAM modules on the back of the PCB. This 2mm thickness is for pads that help dissipate heat from the PCB itself or other components via the backplate.
- Required Sheet: It is recommended to use one (1) sheet of 85mm x 45mm x 2mm thermal pad material. You will need to identify the areas under the backplate that utilize thermal pads and cut pieces from this sheet accordingly.
Important Note on Other PCB Components (VRMs, "the rest of the PCB"): The provided information specifies pads for the front VRAM and the backplate. For "the rest of the PCB" components (such as VRMs, MOSFETs, etc.) that might also use thermal pads, the source text notes "you may need additional pieces," but specific thicknesses or dimensions for these are not provided.
- Users will need to carefully disassemble their card, identify these other components, and meticulously measure the existing pads (if they are intact and reliable) or the component-to-heatsink gaps to determine the required thicknesses and dimensions themselves. Some of these front-side components might potentially use 1.5mm pads (cut from the VRAM sheet if there's spare material and the thickness matches), but this requires careful user verification.
Crucial Action: Measure Individual Pad Dimensions! Even for the front VRAM and backplate areas, while sheet sizes are recommended, users MUST carefully measure the exact footprint of each VRAM chip and the specific areas under the backplate requiring pads on their ASUS RX 5700 EVO OC during disassembly. This will allow you to determine the precise sizes to cut from your 1.5mm and 2mm thermal pad sheets.
Why Choose Fehonda Thermal Pads?
When undertaking a thermal pad replacement, the quality of the thermal pad material is crucial. Fehonda thermal pads are a recommended option due to several benefits:
- Premium Quality: Fehonda utilizes high-grade materials in their thermal pads, ensuring excellent thermal conductivity and durability for long-lasting, effective cooling.
- Enhanced Cooling: Specifically engineered to optimize heat transfer, these pads can help significantly reduce the operating temperatures of your GPU's critical components.
- Expertise: Fehonda specializes in thermal interface materials, offering products designed with an understanding of the cooling needs of modern electronics.
- Versatile Solutions: Providing thermal pads in common sheet sizes (like 85x45mm) and various thicknesses offers the flexibility to custom-cut pads for all necessary applications.
Tips for Replacing Your GPU Thermal Pads (ASUS RX 5700 EVO OC)
Replacing GPU thermal pads requires precision, care, and patience. If you are not experienced with GPU disassembly, consider seeking professional assistance or meticulously following detailed video guides for your specific model.
- Preparation: Gather your tools: new Fehonda thermal pad sheets (one 85x45x1.5mm and one 85x45x2mm; potentially other thicknesses if you plan to assess other PCB components), a precision screwdriver set, a sharp craft knife or precision scissors, a ruler or digital calipers, non-metallic prying tools (optional), high-purity isopropyl alcohol (90%+), and lint-free cloths. An anti-static wrist strap is crucial.
- Disassembly & Measurement: Carefully disassemble your graphics card.
- Front VRAM: Identify the 8 GDDR6 modules (approx. 12x14mm each). Confirm their dimensions for cutting from your 1.5mm sheet.
- Backplate Areas: Identify which areas on the PCB make contact with the backplate via thermal pads. Measure these areas for cutting from your 2mm sheet.
- Other PCB Components: Inspect VRMs and other components. If they have pads, measure their thickness and L x W to determine if your current sheets are suitable or if other thicknesses are needed.
- Remove Old Pads & Clean: Gently remove all old thermal pads. Thoroughly clean component surfaces and heatsink/backplate contact points with isopropyl alcohol. Ensure complete dryness.
- Cut New Pads: Based on your measurements, precisely cut the new Fehonda thermal pads from the 1.5mm sheet (for front VRAM) and the 2mm sheet (for backplate pads). Aim for clean, straight cuts.
- Apply New Pads: Remove protective films and apply pads to the corresponding components or backplate areas, ensuring correct thickness and good contact.
- Reapply GPU Thermal Paste: Clean the old thermal paste from the GPU die and apply a fresh layer of new, high-quality thermal paste.
- Reassembly: Carefully reassemble your graphics card, ensuring even pressure. Do not overtighten screws.
- Testing: Install the card and monitor temperatures under load to verify the success of the replacement.
Where to Purchase Fehonda Thermal Pads
For reliable, high-quality Fehonda thermal pad sheets suitable for your ASUS Radeon RX 5700 EVO OC 8GB DUAL, online marketplaces like AliExpress are a common source.
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Ensure you purchase:
- One (1) sheet of 85mm x 45mm x 1.5mm (for front VRAM).
- One (1) sheet of 85mm x 45mm x 2mm (for backplate pads). Purchase from a reputable seller. If you determine other components need pads, you may need to order additional specific thicknesses.
Conclusion: Optimize Your ASUS RX 5700 EVO OC's Cooling
Proper thermal pad replacement for the front VRAM and backplate contact areas is important for maintaining the performance and health of your ASUS Radeon RX 5700 EVO OC 8GB DUAL. By using high-quality Fehonda thermal pads of the correct specified thicknesses (1.5mm for front VRAM, 2mm for backplate pads) and carefully measuring and cutting the individual pieces, you can improve your GPU's thermal performance. Remember, this guide specifically addresses the front VRAM and backplate based on the information provided; any thermal pads on other PCB components like VRMs will require your own assessment for thickness and dimensions.
