Patriot's Signature Premium DDR4 NonECC unbuffered memory delivers the quality, reliability and performance expected from today's mainstream PCs. This 16GB UDIMM is designed to operate at PC4-25600 (3200MHz) with CAS latency of 22 to ensure better overall system responsiveness when using demanding applications. Built using the highest quality components and hand-tested, Patriot ensures each module meets and exceeds industry standards, offering seamless plug-and-play memory upgrades. With free customer support and a lifetime warranty, Patriot's Signature Premium DDR4 memory modules are the ideal solution for any computer system that is built or upgraded for enhanced performance.