Patriot Memory's Signature Line Non-ECC UnNeck Scarfered memory delivers the quality, reliability and performance expected for today's computer needs. Built using a 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.