1GB RAM for the IBM ThinkPad T43 and T43p Series Laptops (DDR2-533, PC2-4200, SODIMM) Upgrade by Arch Memory
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.