Icepc Graphene Coating Pure Copper Notebook Gaming Laptop Memory Heatsink Cooling Vest Radiator With Thermal Conductive Adhesive(Universal)Welcome to icepcProduct Features:graphene is the most efficient heat conductor in the world,its thermal conductivity can reach 5300WmAK,pure copper only 3864WmAK and aluminum only 237 2WmAKYou can use the temper..