FACTORY DIRECT ONLY. Patriot Memory's Signature Line DDR3 Non-ECC Unbuffered memory delivers the quality, reliability and performance expected for today's computer needs. This 8GB modules is designed to run at PC3-12800 (1600MHz) at CAS 11 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.