Kingston ValueRAM 2GB 1333MHz PC3-1066 DDR3 SO-DIMM Notebook Memory (KVR1333D3S9/2GETR) 2 GB module of 1333MHz DDR3 Notebook Memory Specifically designed and tested for compatibility in various makes and models of laptop computers 204-pin unbuffered SODIMM From the industry leader in PC memory Backed by a lifetime warranty and free technical support