3.6GHz Intel P4 660 800MHz 2MB LGA775 w/HT EM64T JM80547PG1042mm SL7Z5/SL8PZ Intel Pentium 4 660 3.60 GHz 800 MHz 2 MB Socket 775 CPU General Features: Intel Pentium 4 processor 660 3.60 GHz CPU speed 800 MHz bus speed 2 MB L2 Cache Socket 775 Execute Disable Bit Hyper-Threading Technology Intel EM64T