Corsair 4gb 2x2gb ddr2 800mhzpc2 6400 xms2 memory kit cl5 18v the xms brand family is corsairs mainstream line of performance memory these modules allow users to experience outstanding memory performance and stability specifications two matched 2gb modules for use in amd and intel ddr2 systems mainstream 800mhz solutions cas latency of 5 5 5 18 for maximum reliability and performance xms heat spreader limited lifetime warranty density 4gb 2x2gb module speed 8