The Patriot Signature PC2-6400 DDR2 memory is designed with superior performance and stability in mind at an affordable price. Operating at 800MHz, it is ready will be prepared for the next generation Intel based chipset and AMD based systems supporting DDR2-800. Rigorous testing standards and top of the line components ensure every module is 100% compatible. Affordability has never before been found in a premium memory line. The memory modules are also backed by Patriot's life time warranty making the Signature Line the memory of choice.