Kingston Technology HyperX Plug n Play 16 GB Kit (2x8 GB) 1600MHz DDR3 PC3-12800 Non-ECC CL9 SODIMM 1.35V Notebook Memory KHX16LS9P1K2/16 16GB Kit (2x8GB Modules) of DDR3 Low Voltage 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 1600MHz 204-pin CL9 Unbuffered SODIMM Backed by a lifetime warranty and free technical support