Welcome to our store! Designed for Laptops: This memory cooling fin is specifically designed for laptop DDR5 or DDR4 memory. Copper and Graphene: This laptop memory heatsink uses pure copper and graphene material, ensuring better heat conduction. Easy to Use: These copper heatsinks are easy to use, simply tear off the transparent protective film and attach to the laptop memory. 2 Pieces: You will receive a total of 2 pieces of copper graphene heatsinks, which effectively dissipate heat inside the laptop. Widely Compatible: This graphene-coated heatsink is compatible with DDR3 to DDR5 memory, suitable for PS5 M.2 slot. Item Type: Memory Cooling Heatsink Material: Pure Copper, Graphene Applicable Device: Designed for Laptop Memory 2 x Memory Cooling Heatsink Customer Satisfaction - Customers are our top priority. If you find any problems with the product after receiving it, such as damage and incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.