8pcs/lot Cooper Cooling Heatsinks cooler SetHeat Sink Size 14x12x 5.5 mm, Solid copper construction, easy to install. These Premium Copper Heatsinks are a perfect solution for cooling your Computer Motherboard, GPU VGA Video Graphics Card, DDR DDR2 DDR3 RAM Menory and ANA/Southbridge chips. Developed from pure copper, cools better than aluminum. (Increase thermal conductivity) Dissipates RAM heat to improve its performance. Reduces the temperature of the memory. Compatible with all standard SD/DDR SDRAM. High conductivity thermal adhesive tape backing, Can be removed and re-applied.