The Crucial Micron 64GB (2x32GB) DDR4-2666 PC4-21300 Laptop Memory Kit SODIMM is a high-quality RAM upgrade designed for laptops. This memory kit includes two SO-DIMM modules, each with a capacity of 32GB, providing a total capacity of 64GB. With a bus speed of PC4-21300 (DDR4-2666), this DDR4 SDRAM memory kit offers fast and efficient performance for enhancing the speed and responsiveness of your laptop. Upgrade your system with this reliable and reputable memory kit from Crucial Micron.