Arch Memory 4 GB 204-Pin DDR3 So-dimm RAM for Lenovo IdeaPad Z580 2151-4FU
Made from the highest quality components, Arch Memory parts are designed to increase productivity and help your computer work faster. Arch Memory products are engineered to meet industry standard specifications and rigorously tested to ensure quality. Backed by free technical support, a lifetime warranty and legendary reliability, Arch Memory RAM is your best choice for upgrading your computer's memory.