Application: RAM Cooling Function: Pure copper material, absorbs heat from memory, improves blue screen crash caused by overheated memory. Protection Function: Better protection of your memory, especially DDR2, DDR3, DDR4 particles, accidentally fall to the ground, very easy to hit, which makes the memory unusable. In addition, it can effectively protect memory components from static attacks. Size: 125x25x7MM Material: Pure copper Color: Copper Package Contents: 6 x Heatsink Due to the different batches of pure copper materials each time, there may be some color differences in the appearance of the product. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.