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