RAM's heat can be dissipated and its performance will be improved. Temperature of memory can be lowered.High electrical and thermal conductivity tape on the back lets it easy to install.Made of high-quality copper material, it is durable, strong and stable.The length of this product is 1.4cm, the width is 1.2cm and the height is 0.55cm.It is compatible with all standard SD/DDR SDRAM.Item Name: Heat SinkMaterial: CopperFeatures: Quick Cooling, Mini, Easy InstallationSize Details: 1.4cm x 1.2cm x 0.55cm/0.55" x 0.47" x 0.22" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:8 x Heat Sink