Kingston is the industry leader in PC memory. Designed with the white box user & system integrator in mind, Kingston value RAM products are engineered to meet industry standard specifications & rigorously tested to ensure quality. Kingston value RAM is ideal for those who purchase memory by spec & are looking for competitively priced generic memory that is 100-percent tested to meet industry specifications. Included in the package is 1 4GB module of 1333 M Hz DDR3 memory. Specs are standard 512M x 64 Non-ECC 1333 M Hz 240-Pin Unbuffered DIMM (DDR3, 1.5V, CL9, FBGA, Gold).