This Intel Pentium 4 Extreme Edition processor operates at a frequency of 3.2 GHz and has a cache memory of 512 KB L2 and 2 MB L3. It uses a Socket 478/N and has a bus speed of 800 MHz. This unit is designed for use in computers and is a single-core processor with the model number SL7AA. The processor is manufactured in Costa Rica and comes with one unit in the package.