The heat sink reduces the risk of hardware failure due to overheating. Larger fins increase the area of the circuit board, thereby providing greater heat transfer.Product description 1. The large surface area is designed to be in contact with the cooling air, and the scientific design provides a good heat dissipation effect for your equipment. 2. Effectively transfer heat to the device through electronic or mechanical signals, thereby adjusting the temperature of the device to the best level. 3. The use of this product will increase the operating efficiency of the equipment and prolong the use of danger.Product attribute Material: Copper + Graphene Type: Heat sink Applicable accessory type: hard disk Color: Black Size: S, M, L, XL Specifications: Checkered, TwillWarm reminder 1. Please remember that due to the lighting effects, the monitor's brightness / contrast settings / etc's, there will be some slight differences in the color of the pictures and the actual items. Measured by hand, deviations of 1-2 cm are possible. 2. Please leave us a message if you have any questions. We will respond and offer you our best service.