The Hyperam 4GB Single Rank SODIMM laptop memory module is a high-quality DDR3 SDRAM module designed for laptops. With a total capacity of 4GB and ECC memory features, this module offers reliable performance and error correction. Manufactured by Hyperam with a lifetime warranty, this unit is a dependable choice for upgrading your laptop's memory capacity. The SO-DIMM form factor and 204 pins make it compatible with a wide range of laptop models, providing a seamless upgrade experience for users looking to enhance their system's performance.