The IBM POWER4 is a new microprocessor organized in a system structure that includes new technology to form systems. The name POWER4 as used in this context refers not only to a chip, but also to the structure used to interconnect chips to form systems. POWER4 was designed to address both commercial and technical requirements. It implements and extends in a compatible manner the 64-bit PowerPC architecture.This product is a 2-way POWER4 processor.