The Kingston 4GB DDR2 800MHz PC2-6400S Laptop RAM SODIMM is a set of two memory modules designed for laptops. With a total capacity of 4GB split into two 2GB modules, this RAM upgrade is suitable for increasing the memory capacity of compatible laptops. The DDR2 SDRAM technology ensures reliable performance, while the 200-pin design makes it compatible with a wide range of laptop models. Upgrade your laptop's memory capacity with this high-quality Kingston RAM set.