Patriot Signature memory provides the quality, reliability and performance expected from today's laptops. This DRAM was created for a better overall system response when using a demanding application. Each module is built of the highest quality components and manually tested. Patriot guarantees that each module meets and exceeds industry standards by offering seamless plug-and-play memory expansion. With free customer service and a lifetime guarantee, Patriot Signature DDR4 memory modules are ideal for any construction or modernization of the system to increase performance.