Intel Pentium D 820 2.8GHz 800MHz 2x1MB Socket 775 Dual-Core CPU Intel Pentium D 820 2.80 GHz 800 MHz 2 MB Socket 775 Dual-Core CPU General Features: Intel Pentium D Processor 820 2.80 GHz CPU speed 800 MHz bus speed 2 MB L2 Cache Package Type: LGA 775 Core Voltage: 1.25 V - 1.4 V Dual Core Execute Disable Bit Intel EM64T