Interface Socket 775 Bus Speed 1066MHz Core Frequency 2.40GHz Core Voltage 1.35v Process Technology 65nm L1 Cache 128KB L2 Cache 8MB Special Features Enhanced Intel Speedstep technology Extended Memory 64 Technology (EM64T) Execute Disable Bit Virtualization Technology Intel Thermal Monitor 2 Enhanced Halt State (C1E) Package Contents Heatsink and Fan