The Ramaxel 4GB DDR4 2666MHz SODIMM is a high-quality memory module designed for Lenovo laptops. With a total capacity of 4GB and a form factor of SO-DIMM, this DDR4 SODIMM is a reliable and efficient choice for upgrading your computer's memory capacity. Made in China, this unit comes as a single module with a capacity of 4GB per module. Perfect for enhancing the performance and speed of your laptop, this Ramaxel memory module is a practical choice for improving your overall computing experience.