Kingston is the industry leader in PC memory. ValueRAM SODIMM or notebook memory is designed to increase productivity and help your notebook work faster. Kingston ValueRAM is ideal for those who purchase memory by spec and are looking for competitvely priced generic memory that is 100-percent tested to meet industry specifications. Product is backed by a lifetime warranty and free technical support. Included in the package is one 4 GB module of 1066MHz DDR3 memory. Specs are 512Mx 64-bit, Non-ECC,CL7, 204-pin Unbuffered SO-DIMM, FBGA, gold contacts, 1.5v.