The Kingston 1GB DDR2 PC2-5300 Notebook Memory is a reliable and high-quality RAM module designed for notebooks. With a total capacity of 1GB and a bus speed of 667MHz, this memory module is perfect for upgrading or replacing existing RAM modules in your laptop. Manufactured by Kingston, a trusted brand in memory technology, this DDR2 SDRAM module comes new and sealed with a lifetime manufacturer warranty, ensuring compatibility and long-lasting performance for your computer.