IBM POWER3-II processors
Introduction: 2000
The 64-bit POWER3-II microprocessor design was based on IBM's advanced CMOS 7S process, which was a re-implementation of POWER3 using copper interconnects.
New RS/6000 model 44P 7044-270 (375MHz) using the 1-4 way SMP with POWER3-II copper-based microprocessor.
The POWER3-III didn't surface, so POWER4 was the next...
Source: rootvg.net