Features: Copper heatsink for cooling laptops and notebook NVMe M.2 SSD Heatsink; High performances Thermal Heatsink; Easy for Installation; Made of quality material, durable, firm and stable to use; Metal is the most efficient heat conductor. Specifications: Material:Copper+Metal coating Size:Approx.74x21mm/2.91x0.83in Thickness:0.3mm Package Includes: 1x NVMe M.2 SSD Heatsink note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.