Patriot Extreme Performance PC2-6400 memory is designed to operate at the high frequency of 800MHz. Our PC2-6400 demonstrates its versatility at a high frequency and low latency making our PC2-6400 the memory of choice for all extremists and enthusiasts. The secret to Extreme Performance Gaming Series is in our manufacturing process. Dual channel memory kits are paired from the end of our production line. In addition both our single module and dual channel Extreme Performance memory modules goes through rigorous compatibility testing and strict quality control to ensure operations and performance at their rated speeds and timings. Accompanied with our high quality premium heat spreaders and backed by our life time warranty, Patriot Dual Channel memory is right memory for the overclocking enthusiast in you.