16 core, 2 x 8 core MCM CPU with chiplet-chiplet communication, 2.8 to 3.5GHz... from 2012. Still waiting for G34 mobo from aliexpress/taobao. : r/ Amd
Dual AMD Opteron 2419 EE Benchmarks – Dell DCS Options
Amazon.com: AMD Opteron 6176 CPU Used 12-Core 12-Thread Desktop Processor 2.3 GHz 12M 115W Socket G34 : Electronics