Full Details from Amazon.com : http://www.amazon.com/gp/product/B000YAVGL8?tag=onigi-20
Intel Core 2 Quad Q6600 2.40GHz Processor
Intel Core 2 Quad Q6600 24 GHz 1066 MHz 8 MB Socket 775 Quad Core CPU General Features
Intel Core 2 Quad Processor Q6600 24 GHz CPU Speed 1066 MHz Bus Speed
2 x 4 MB L2 Cache 8 MB total Socket 775 085V - 15V VID Voltage Range S-Spec SLACR Quad Core
Enhanced Intel Speedstep Technology Intel EM64T Execute Disable Bit Enhanced Halt State C1E
Intel Virtualization Technology