100% brand new and high quality. Increase system reliability by cooling down memory. Improve RAM performance and avoid system crashes by dissipating access RAM heat. Compatible with all standard SDR/DDR SDRAM. Effective size fits all motherboards. Description: Cooling function: pure aluminum material, absorbs the heat of the memory, improves the blue screen crash caused by overheated memory. Protection function: Better protection of your memory, especially DDR2, DDR3, DDR4 particles, if you accidentally drop it on the ground, it is very easy to break, resulting in the memory no longer being usable. In addition, it can effectively protect memory components from static attacks. Beauty: perfect collocation of different colors on the motherboard, fan and lamp, which greatly improves the overall beauty of the memory and chassis. The cooler has two parts, including front and back. Specifications: Color: Blue Material: Aluminum alloy Size: 13.1*2.8*0.6cm Package contents: 2 * Heatsink 4 * Adhesive stick Only the above package content, other products are not included. Note: Light shooting 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.