Patriot Memory''s Signature Line DDR3 Non-ECC Unbuffered memorydelivers the quality, reliability and performance expected for today''scomputer needs. This 4GB module is designed to run at PC3-12800(1600MHz) at CAS 9 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 Memory''s Signaturememory modules are a perfect system upgrade option. Patriot Memory''s Signature Line DDR3 Non-ECC Unbuffered memory delivers the quality, reliability and performance expected for today''s computer needs. This 4GB module is designed to run at PC3-12800 (1600MHz) at CAS 9 latency timings. Built using specific build-of-materials (BOMs) we ensure that every module meets and 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 and reliability. With free customer service and a lifetime warranty, Patriot Memory''s Signature memory modules are a perfect system upgrade option.