Today we test out how 11 year old, 19 year old, and even 30 year old thermal paste performs in a modern PC! Would you feel comfortable using these "expired" thermal pastes in your computer at home? And if you do need new thermal paste, grab some YeesterPaste! https://www.yeesterpaste.com/ 0:00 setup 1:06 MX-4 visual comparison 3:10 MX-4 performance comparison 3:55 Arctic Silver 5 visual comparison 6:12 Arctic Silver 5 performance comparison 6:54 30 year old thermal paste 7:58 does thermal paste expire?