So you’re building your PC, and you’ve watched countless YouTube videos (where you will find people telling you with a straight face, to use toothpaste as a thermal paste), read the forums and gotten to the 10th page of Google. Yet you still aren’t sure what to do when it comes to thermal interface materials.…

It’s best to start this discussion with a more scientific definition. CTE mismatch is a phenomenon that occurs when two materials with different coefficients of thermal expansion (CTEs) are joined together. When the temperature of the joint changes, the two materials will expand or contract at different rates, which can cause stress and eventually lead…