High-performance DDR4 memory: The Rimlance 4GB (1X4GB) DDR4 2666MHZ SODIMM ensures faster data processing speeds, significantly enhancing your notebook's performance for multitasking and demanding applications. Energy-efficient design: Operating at a low voltage of 1.2V, this memory module reduces power consumption, leading to longer battery life and less heat generation, which is ideal for portable computers. Seamless compatibility: Designed to meet the PC4-21300 standard, this memory module is compatible with a wide range of notebooks, ensuring easy upgrades and improved system stability. Enhanced data integrity: Featuring 1RX8 configuration, the Rimlance memory module provides reliable and error-free data transfer, making it suitable for critical computing tasks and ensuring system reliability.