Patriot Memorys Signature Line DDR4 SODIMM memory delivers the quality, reliability and performance expected for todays notebook needs. This 16GB module is designed to run at PC4-17000 (2133MHz) at CAS 15 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 Memorys Signature memory modules are a perfect system upgrade option.