Upgrade your system's performance with Elpida's reliable 2GB DDR2 SDRAM modules, specifically designed for seamless integration with your Dell motherboard. These 4 modules, each with a 2Rx8 PC2-6400U-666 configuration, provide a total capacity of 8GB, ensuring that your applications run smoothly and efficiently.Crafted with precision, these RDIMM form factor modules are manufactured in China under rigorous quality control standards. Their dimensions ensure a perfect fit, with a height of 1, a length of 4, and a width of 1, making them an ideal choice for upgrading your system's memory without compromising on performance or compatibility.