High-capacity memory modules: The RIMLANCE 8GB (2 x 4GB) DDR4 UDIMM set offers substantial memory capacity, significantly enhancing your desktop's multitasking capabilities and overall performance. Advanced DDR4 technology: Utilizing the latest 288-pin DDR4 technology, these memory modules ensure faster data transfer rates and improved energy efficiency compared to previous generations. Optimal performance speed: With a speed rating of DDR4 2666 (PC4 21300), the RIMLANCE memory modules provide an excellent balance of speed and stability, ideal for both everyday computing and demanding applications. Low CAS latency: Featuring a CAS latency of 19, these memory modules deliver swift response times, reducing delays and improving the overall user experience during intensive tasks. Energy-efficient design: Operating at a low voltage of 1.2V, the RIMLANCE DDR4 memory modules are designed to consume less power, resulting in lower energy costs and reduced heat generation.