I finally stopped thermal pasting like a YouTuber

For like 3 years I was putting on a pea-sized blob in the center and calling it good. Then last month I swapped a CPU in a Dell Optiplex 3080 and used the spread method with a plastic card, temps dropped 8 degrees under load. Made me wonder how many pastes I've wasted just following bad advice. Anyone else figure out they've been doing something basic wrong for way too long?

2 comments

2 Comments

elliotr3918d ago

I see it the opposite way honestly. The pea method has never let me down across dozens of builds and it's way less messy than spreading with a card. Spreading by hand can give you weird thickness in some spots, trap air bubbles, or leave edges too thin. The mounting pressure from the cooler is supposed to do the work of squishing the paste out evenly. If you're getting 8 degrees cooler from spreading on a Dell Optiplex, that probably means the stock cooler mount on that thing is warped or not making proper contact in the first place. Most mainstream coolers and CPUs with solid IHSes don't need any special technique, a pea or a line works fine.

hannaho5218d agoMost Upvoted

Yeah I fell for that too. Did the pea method for years until I actually looked at my paste coverage after pulling a cooler. Huge gaps around the edges. Now I just spread it thin with a little spatula that came with some thermal paste, covers the whole IHS evenly. Feels like such a dumb thing to get wrong for so long.