AMD Opteron Model Number

Model Number Methodology for the AMD Opteron 1000/2000/8000 Series 

AMD Opteron processors are identified by a four digit model number, ZYXX, where:
Z-indicates product series.

1000 Series = 1-way servers
2000 Series = Up to 2-way servers and workstations
8000 Series = Up to 8-way servers and workstations
Y-differentiates products within a series.

Dual-Core AMD Opteron processors = Models Z2XX
Quad-Core AMD Opteron processors = Models Z3XX
Six-Core AMD Opteron processors = Models Z4XX
XX- communicates a change in product features within the series, and is not a measure of performance.

Product Suffix

SE-- indicates a performance optimized high-powered AMD Opteron processor.
no suffix- indicates a standard power AMD Opteron processor.
HE- indicates a low-power AMD Opteron processor.
EE- indicates the lowest power AMD Opteron processor.