Editor’s note: This updated guide replaces copied brand and benchmark language with a concise, manufacturer-led checklist.
What a thermal interface does
The contact faces of a processor and cooler look flat but contain microscopic irregularities. Thermal interface material fills part of those voids so heat can move from the processor heat spreader to the cooler base. It does not compensate for a loose mount, a wrong cooler or a gap that needs a pad.
Before you apply it
- Check the cooler for factory-applied material and follow its installation manual.
- Confirm socket compatibility, mounting hardware and the required interface type.
- Remove old material from both contact faces and let them dry before assembly.
Application steps
- Place the processor correctly and avoid touching its contacts.
- Dispense the amount specified by the material maker near the center of the heat spreader.
- Lower the cooler vertically and secure it using the manufacturer’s sequence.
- If the cooler is removed, clean both surfaces and apply fresh material before reinstalling.
Paste, pad or phase-change material?
Use grease for a thin, conforming interface when the assembly calls for it. Use a pad when the design has a defined gap or needs a controlled thickness. Use a phase-change material only when its phase behavior and service temperatures match the assembly. Conductivity is only one selection input.
See the CTG8 thermal grease details, AP-14 pad options or XTP-001 phase-change material only after confirming the interface conditions.
Source: Intel’s thermal paste application guide. Current model specifications are controlled by each product’s Maxtor TDS/SDS.