Arctic thermodynamic RAM Cooler RC Aluminum Heatsink Efficient cooling: The RAM cooler increases heat dissipation area and not only helps to remove a massive amount of heat faster and more efficiently, it is also optimized for natural convection. The cooling performance of the ARCTIC RC is 26? cooler than a stocked RAM cooler. Wide compatibility: ARCTIC RC is compatible with both DDR2 and DDR 3 SDRAM modules and applicable to single and double sided modules. Easy installation: To make the installation more user-friendly, the package was precisely designed with a mould for positioning the cooler accurately. Additionally, the pre-applied adhesive thermal tape increases installation speed. Technical Data: Dimensions (Packaging):126 L x 4.5 W x 65 H mm. Dimensions (Product):188 L x 9 W x 155 H mm. Weight:0.15 kg. Material :Aluminium.