The Kingston ValueRAM 4GB (2x2GB) SO-DIMM 667 MHz PC2-5300 DDR2 memory modules are high-quality RAM modules designed for computers and laptops. With a total capacity of 4GB spread across two modules, each with a capacity of 2GB, these DDR2 SODIMM modules offer reliable and efficient performance. The lifetime manufacturer warranty ensures long-lasting durability, and the PC2-5300 bus speed provides fast data transfer rates. Ideal for upgrading or replacing existing memory modules, these Kingston ValueRAM modules are a dependable choice for improving your computer's performance.