Tis RAM is Corsairs mainstream memory solution for Intels Core i 5 & Core i 7 dual channel DDR3 processors. This module allows users to experience outstanding memory performance & stability. Available in Corsairs XMS heat spreaders, each module is built using carefully selected RAMs. This 8GB quad kit memory solution has been designed specifically to support the Intel Core i 5 & Core i 7 dual channel memory DDR3 solutions. This solution runs at an incredibly fast 1333 M Hz at CAS latency of 9-9-9-24. So not only do you get to run your Intel Core i 5 or Core i 7 dual channel memory system at 1333 M Hz but with these tight latency timings your system performance will rock.