Kingston HyperX 16GB Kit 4 x 4GB 2400MHz DDR3 Non-ECC CL11 DIMM XMP (KHX24C11K4/16X) Utilizes HyperX module with faster latency timing for higher performance and speed Specifically designed and tested for compatibility in various makes and models of desktop computers From the industry leader in PC memory Non-ECC 2400MHz 240-pin CL11 Buffered DIMM Backed by a lifetime warranty and free technical support