This is a simple heatsink for Cubieboard and other similar chips. It has high quality thermal conductive adhesive tape instead of heat conductive silicone, and more simple usage than 2 in 1 heatsink. You can remove it from cubieboard with less effort. Its service life can be as long as two years. Features Ultrathin All in one, Don’t need heat conductive silicone. Specifications Size: 19.06 x 19.03 x 5.21 mm