2GB [1x2GB] DDR2-800 PC2-6400 Memory RAM for Dell OptiPlex 745 Systems
Made from the highest quality components, GatewayTech memory modules from Arch Memory 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, GatewayTech RAM is your best choice for upgrading your computer's memory.