This Dual Channel Kit of Corsair is specially developed for the Intel Core i 5 / i 7 P55 & AMD AM3 platform. Optimized for the Dual Channel Mode, this 4 GB Kit offers extraordinary performance thanks to a perfect balance of low operating voltage of only 1.65 Volt & higher speed. This kit was equipped with the new XMS3 radiator box, which provides for an extraordinary removal of heat.