Intel Pentium 4 641 3.2GHz 800MHz 2MB Socket 775 CPU Intel Pentium 4 641 3.2 GHz 800 MHz 2 MB Socket 775 CPU General Features: Intel Pentium 4 Processor 641 3.2 GHz CPU Speed 800 MHz Bus Speed 2 MB L2 Cache LGA775 Package type 1.200V - 1.325V Core Voltage Enhanced Halt State (C1E) Enhanced Intel Speedstep Technology Execute Disable Bit Hyper-Threading Technology Intel EM64T Intel Thermal Monitor 2