Patriot Memory's Signature Line DDR2 Non-ECC Unbuffered memorydelivers the quality, reliability and performance expected for today'scomputer needs. This 2GB module is designed to run at PC2-6400(800MHz) at CAS 6 latency timings. Built using specific build-of-materials(BOMs) we ensure that every module meets and exceeds industrystandards: offering you a hassle-free upgrade. We certify every componentthat goes into our modules, including the modules themselves, which mustpass strict standards to ensure compatibility, quality and reliability. Withfree customer service and a lifetime warranty, Patriot Memorys Signaturememory modules are a perfect system upgrade option.