Features: Brand new and high quality 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. The ultra thin radiator is designed for the notebook and some small space heat dissipation. Heat exchanger can exude heat faster by heat exchange through contact with air. Support for Laptop RAM DDR1 DDR2 DDR3 DDR4. Heatsink only, other accessories demo in the picture is not included! Specifications: Item Type: Heatsink Color: Black Material:Pure Copper, (optional) Size: approx. 66x24.5mm/2.6x0.96in Thickness: 1.5mm, 2mm (optional) Quantity: 1PC Package Includes: 1 x Memory Heatsink note: No retail package. Please allow 0-1cm error due to manual measurement. pls make 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!