Outstanding Memory Performance and Stability Corsair s mainstream memory solution 4GB (1x4GB) 1333MHz 9-9-9-24 for AMD and Intel Core i3, i5 and Core i7 dual channel memory processors and platform. The XMS3 family is Corsair s mainstream line of performance DDR3 memory. These modules allow users to experience outstanding memory performance and stability. Available in Corsair s XMS heat spreaders, each module is built using carefully selected RAMs.