Thermal Paste
Thermal Paste
Hi, yesterday I completed a build and everything looked assembled correctly based on what I can see. But while applying the thermal paste, I wasn’t sure if it reached all the right spots. I noticed some paste spilled down the side of the IHS and along the PCB rim. There was also a surface mount component nearby, though I’m not sure if I placed anything there. Since the system is running and passing stress tests, I think I’m probably overthinking it. If the paste ended up somewhere, it should have caused noticeable problems.
Most contemporary thermal pastes are insulating, which is fine. The best approach is to apply paste just to the IHS, though some leakage might still occur.
Typical thermal paste (with the exceptions of liquid metal and a few unusual materials) does not conduct electricity and won't damage components.
Do you recall the brand name of the thermopaste? If it came packaged with a box or cooler, you won’t have to worry about leaks. Today’s thermopastes are typically non-conductive and non-capacitive, meaning they don’t interfere. However, if it ends up in the socket, poor connection could occur.
I believe it's unlikely for any thermal paste to reach beneath the CPU when it's secured in place with the retention arm engaged.
I believe there are even tests under such harsh conditions and the system remains functional without issues. Contemporary setups are remarkably reliable. Ideally, avoid adding thermal paste to the socket; if any residue remains, cleaning it out is advisable so the system operates smoothly. To prevent spreading or overflow, some plastic sheets are recommended: https://www.amazon.co.uk/dp/B0BGS66D17?c...oatspot-21 And the AM5 secure frame is likely unnecessary for spill control: https://www.amazon.com/Thermalright-Cont...M72Z8?th=1
It’s unlikely the thermal paste would reach the CPU socket from the sides, especially if it’s already positioned with the CPU in place.