Not enough may be insufficient for the proper heat transfer.ĭo NOT forget the I/O shield. Too much (within reason) won't hurt but it will make a mess. First, remember to always put paste on top of the CPU, never underneath it! We recommend using a pea-sized drop for perfect adhesion. New builders may not be aware of the importance of heat paste in a custom rig, but it is a basic necessity that is quick and easy to apply. We don’t want an accidental Hulk Smash moment. See how to install memory in your desktop or laptop with one of our online guides, or follow the instructions from the manufacturer. RAM sticks, or DIMMs, can only go one way, so ensure they’re aligned before applying any force while installing them.