Increase the reliability of your system by cooling down the memory. Improve RAM performance and avoid system crash by dissipating access RAM heat. Compatible with all standard SDR/DDR SDRAM. Effective size fits all motherboard. Easy installation with spring clips. Product Name : Memory Heatsink Suitable: fit For DDR2 DDR3 DDR4 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 longer be used. In addition, it can effectively protect the memory components from static attacks. Colour:black Material:aluminum Size:125 x 25 x 7MM Package Contents: 8 x Memory Heatsink / 1 x Memory Heatsink 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.