The Kingston 4GB DDR4 2666V Laptop Memory 9995704-008.A00G is a high-quality RAM module designed for laptops. With a total capacity of 4GB and a bus speed of PC4-21300 (DDR4-2666), this SO-DIMM memory module offers fast and efficient performance for your computer. This product, made by Kingston, a well-known brand in the industry, is a reliable choice to upgrade your laptop's memory capacity and improve its overall performance.