Heatsink Material: Aluminum Cooling function: pure aluminum material, absorb the heat of memory, improve the blue screen crash caused by overheated memory. Protection function: Better protection of your memory, especially DDR2, DDR3, DDR4 particles, accidentally drop the ground, very easy to knock, resulting in memory can no be used. In addition, it can effectively protect the memory components from static attacks. beauty: perfect collocation of various colors of the main board, fan, and lamp, greatly improved the overall beauty of memory and the chassis. The radiator has two pieces, including the front and back. Color: Black Material: ABS Package Contents: 1 x RAM heatsink radiator for ram DDR3 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.