The Samsung 16GB DDR4 2666MHz Laptop RAM Kit includes two SO-DIMM modules, each with a capacity of 8GB. This memory kit is designed for laptops and provides a total capacity of 16GB, with each module offering 8GB of memory. The DDR4 SDRAM technology ensures fast and reliable performance, making it ideal for enhancing the speed and efficiency of your laptop's operations. With the trusted Samsung brand name behind it, this RAM kit is a reliable choice to upgrade your laptop's memory capacity.