ITEM NAME:Aluminum Heatsinks DIY Laptop PC Memory Cooling Fin Radiation Dissipate img *{margin:0;padding:0;.1 Piece Heatsink Cooling Fin. Excellent Cooling Effect ï ¼Å¡The heatsink will keep temperatures below 20 °C above ambient. It reduces the risk of hardware failure due to overheating;The fins design greatly increase the heat dissipation area for greater heat transfer and avoid overheating and throttling, improve your computer's performance.