Thermal paste, also known as thermal grease, thermal interface material, or thermal compound, is essential for efficient heat transfer between your CPU and its cooler. Applying it correctly is crucial for optimal cooling performance. This guide provides a clear and concise overview of how to apply thermal paste to your CPU.
Applying the right amount of thermal paste is key. Too little can lead to overheating, while too much can cause a mess and potentially damage your components. The thermal paste should be applied to the top of the CPU, specifically the smooth metal plate where the manufacturer and model information are printed. Avoid applying it to the pins or contacts on the underside of the CPU or directly into the CPU socket on the motherboard.
alt text: A pea-sized amount of thermal paste on a CPU
A pea-sized amount of thermal paste is generally sufficient. Place this small amount directly in the center of the CPU’s top surface. There’s no need to spread it manually. When you attach the cooler, the pressure will distribute the paste evenly across the CPU’s integrated heat spreader (IHS). Using too much thermal paste can cause it to overflow and potentially seep into the CPU socket, leading to thermal problems and possible damage.
Many CPU coolers come pre-applied with thermal paste. If this is the case, you don’t need to apply any additional paste. However, when installing a new cooler or replacing an existing CPU, it’s crucial to clean off the old thermal paste and apply a fresh layer. Isopropyl alcohol is an effective cleaning agent for removing old thermal paste.
alt text: Comparing different amounts of thermal paste
Once the new thermal paste is applied, carefully place the cooler on top of the CPU and secure it to the motherboard using the provided mounting hardware. Ensure all screws or clips are properly fastened for optimal contact and heat dissipation. Correct application of thermal paste is a vital step in PC building, ensuring your CPU operates at safe temperatures and performs at its best.
Proper thermal paste application is a small but critical step in building or maintaining a PC. By following these simple guidelines, you can ensure optimal CPU cooling and system stability.
This article was translated from German to English and originally appeared on pcwelt.de.
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