Product Detail 2MB L2 Cache 2.6GHz Clock Speed 800MHz FSB 64-bit Processing . The "Intel Pentium E5300 2.6GHz 2M L2 Cache 800MHz LGA775 Desktop Processor" is best product for you. We recommended Intel Pentium E5300 2.6GHz 2M L2 Cache 800MHz LGA775 Desktop Processor