1With aluminum alloy material, the heat sink has excellent thermal conductivity. 2The heat sink is suitable for notebook computers, which is efficient and durable. 3The chute design provides a more beautiful installation display, and the radiator is very easy to install. 4This kit contains aluminum heat sink, heat sink, silicone ring, you can use it with confidence. 5Equipped with a cooling pad to effectively protect the computer hard disk and extend its life.