Dell OptiPlex GX260n compatible Black Diamond memory 1GB DDR DIMM 333MHz. Compatible computer model: Dell OptiPlex GX260n, GX270 MT (533MHz Front Side Bus), GX260 SMT, GX260, SX270, GX270, GX260 SF, GX270 DT (533MHz Front Side Bus), 160L, 170L, GX270 SF (533MHz Front Side Bus), GX260 SD. Black Diamond Memory offers the most extensive line of memory solutions today. With our decades of experience specializing in memory, Black Diamond Memory is a proven manufacturer to the semiconductor industry. Our great products combined with our world class service and support have helped us to where we are today. When you have an Black Diamond memory chip, you can count on it being the best available memory for your system. Our system specific Branded Memory line delivers in performance, and is designed to be guaranteed in compatibility with your system. Each of our memory chips come with a lifetime warranty for your peace of mind. Use our Upgrade Configurator to easily find the correct memory module for your system.