The Hynix 4GB 2x 2GB DDR2 667MHz PC2-5300S 200Pin SODIMM Laptop Memory is a high-quality memory module designed for laptops. With a total capacity of 4GB divided into two 2GB modules, it offers fast performance at 667MHz frequency. The memory modules are reliable with a lifetime warranty from the manufacturer, ensuring long-lasting durability. The SO-DIMM form factor and 200-pin design make it compatible with a wide range of laptops, providing a seamless upgrade for improved system performance.