H4GA High Efficiency Pure Copper Graphene Cooling Sticker Heat Sink laptop Memory Thermal Pad High ConductivityDescription: and high quality.Feature:Graphene is the most efficient heat conductor in the world,Its thermal conductivity can reach 5300W/m·K, pure copper only 386.4W/m·K and aluminum only 237 2W/m·K.You can use the temperature to test the temperature before and after installation, you will find that it is more efficient than other .When the computer temperature drops, the computer will crash le and run more smoothly and more ble.Four patterns: no printing, 4G printing, 8G printing, 16G printing for you to choose from to meet your needs.Easy and conveneint to install and remove.The ul thin radiator is designed for the notebook and some small space heat diipation. only, other acceories demo in the picture is not included!Specifications:Item Type: Material: Pure Copper, GrapheneSize: 66x25x0.5mm/2.5x0.9x0.01inColor: BlackType: no printing, 4G printing, 8G printing, 16G printing(Optional)Quantity: 1 PcNote:No retail package.nsition: 1cm=10mm=0.39inchPlease allow 1-3mm error due to manual measurement. pls e sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Includes:1 x