Product Detail Product Type - CPU Processor Type - Intel Core 2 Quad Clock Speed - 2.66GHz L2 Cache - 8M . The "Intel Core 2 Quad Q6700 Quad-Core Processor, 2.66 GHz, 8M L2 Cache, 1066MHz FSB, LGA775" is best product for you. We recommended Intel Core 2 Quad Q6700 Quad-Core Processor, 2.66 GHz, 8M L2 Cache, 1066MHz FSB, LGA775