Kingston is the industry leader in PC memory. Designed with the whitebox user and system integrator in mind, Kingston ValueRAM products are engineered to meet industry standard specifications and rigorously tested to ensure quality. Kingston ValueRAM is ideal for those who purchase memory by spec and are looking for competitvely priced generic memory. Product is backed by a lifetime warranty and free technical support. Included in the package is one 4GB module of 512Mx72-bit 1066MHz DDR3 memory. Specs are standard Non-ECC, CL7 registered with parity, 240-pin DIMM, gold contacts, 1.5V.