Intel Core 2 Extreme QX9650 Quad-Core Processor, 3 GHz, 12M L2 Cache, 1333MHz FSB, LGA775 Box Contents - Intel Core 2 Extreme QX9650 Quad-Core processor, Heatsink and Fan 3.0GHz Processor 12MB L2 Cache 1333MHz Front Side Bus LGA 775 Socket