Patriot Signature Line DDR4 Non-ECC unbuffered memory delivers the quality reliability and performance expected for today's mainstream computer needs. This 4GB is designed to run at PC4-19200 (2400MHz) at CAS 17 latency timings for better overall system responsiveness when using demanding application.Built using the highest quality components and hand tested Patriot ensures every module meets and exceeds industry standards to offer you a hassle-free plug-and-play memory upgrade. With free customer service and a lifetime warranty Patriot's Signature Line DDR4 memory modules are the perfect option for any PC system build or upgrade for faster performance. Memory Capacity4GB (1 x 4GB)Memory TypeDDR4Module TypeDIMMMemory SpeedDDR4-2400MHzPin Configuration288-pinRegistered/UnbufferedUnbufferedError CorrectionNon-ECCCL-tRCD-tRP-tRASCL17.17.17.39Heat SinkNoWorking Voltage1.2V