HyperX Plug n Play 16GB Kit 1866MHz DDR3 PC3-14900 Non-ECC CL11 SODIMM Notebook Memory KHX18S11P1K2/16 16GB Kit (2x8GB) of DDR3 Non-ECC Notebook 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 1866MHz 204-pin CL11 Unbuffered SODIMM Backed by a lifetime warranty and free technical support