Patriot Memory`s Signature Line DDR2 Non-ECC Unbuffered memory delivers the quality, reliability & performance expected for today`s computer needs. This 2 GB. module is designed to run at PC2-6400 (800 M Hz) at CAS 6 latency timings. Built using specific build-of-materials (BOMs) we ensure that every module meets & exceeds industry standards: offering you a hassle-free upgrade. We certify every component that goes into our modules, including the modules themselves, which must pass strict standards to ensure compatibility, quality & reliability.