Kingston Technology HyperX Predator 8GB Kit (2x4GB) 2800MHz DDR3 Non-ECC CL12 DIMM XMP KHX28C12T2K2/8X 8GB Kit (2x4GB) of DDR3 Non-ECC Desktop Memory 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 2800MHz 240-pin CL12 Unbuffered DIMM Backed by a lifetime warranty and free technical support