The Kingston 16GB 2Rx8 PC4-2666V-SE1-11 DDR4 Laptop Memory SODIMM is a high-performance memory module designed for laptops. With a speed of 2666 MHz and a total capacity of 16GB, this unbuffered memory module is ideal for improving the performance of your system. The SO-DIMM form factor makes it easy to install, and the Kingston brand ensures reliability and quality. Perfect for users looking to upgrade their laptop's memory capacity for improved speed and efficiency.