The Kingston 4GB PC3L-12800S DDR3L 1Rx8 Laptop Memory Module is a reliable and high-quality memory module designed for laptops. With a total capacity of 4GB and a single module included in the package, it offers fast data transfer speeds with a bus speed of PC3L-12800S. This module is specifically designed for DDR3L memory technology and has a form factor of SODIMM, making it compatible with a wide range of laptop models. Upgrade your laptop's memory capacity with this Kingston memory module for improved performance and efficiency.