Kingston is the industry leader in PC memory. ValueRAM DIMM or desktop memory is designed to increase productivity and help your desktop work faster. Kingston ValueRAM is ideal for those who purchase memory by spec and are looking for competitively 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 1GB module of DDR2 desktop memory. Specs include standard 128M X 72 ECC 400MHz 240-pin Registered DIMM Single Rank (DDR2, 1.8V, CL3, Gold, X4).