Are you still bothered by the Raspberry Pi fever problem? Don’t worry, we have prepared a cooling solution for the Raspberry Pi 4B. Aluminium heat sink is adopted due to its highly cooling feature and excellent resistance to oxidation, which can effectively avoid chip over-heating problem. The surface is designed with slotting, which is more conducive to the discharge of heat. The heat sink comes with back glue, easy to use. Specification * Dimension * Black heat sink with adhesive (L): 14.4 * 14 mm / 0.57 * 0.55 inch * Black heat sink with adhesive (M): 14.3 * 9.9 mm / 0.56 * 0.39 inch * Black heat sink with adhesive (S): 9.1 * 9.1 mm / 0.36 *0.36 incH * Adhesive in heatsink * Material: aluminium Shipping List * Black heat sink with adhesive (L) x1 * Black heat sink with adhesive (M) x1 * Black heat sink with adhesive (S) x2 https://elecena.pl/product/22722283/heatsink-kit-for-raspberry-pi-4b-discontinued 2023-03-07 https://elecena.pl/product/22722283/heatsink-kit-for-raspberry-pi-4b-discontinued 2024-09-19