Memory for Patriot Signature DDR4 laptop 8 GB The Patriot Signature provides the quality, reliability and performance expected from today's laptops. Signature memory was created for a better overall system response when using demanding applications. All modules are built of the highest quality components and manually testing. Patriot guarantees that each module meets and exceeds industry standards by offering seamless plug-and-play memory expansion. With a lifetime guarantee, Patriot Signature DDR4 memory modules are an ideal option for any construction or modernization of the system to increase efficiency.