From CPUDatabase for Opteron 170 -
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CCBWE 0543 TPMW
2600mhz@ 1.37v on DFI LanParty SLI-DR Water Cooling@ idel temp of 26*C 36*C on load
CCBWE 0543 TPMW
2550mhz@ 1.46v on
MSI Neo 4 Plat SLI (1.7 Bios) Retail Heatpipe Heatsink, W/ Sunon Tornado 80mm
CCBWE 0530TPMW
2500mhz@ 1.45v on AV8-3RDEYE Zalman 7000CP
0536MPMW
2850mhz@ 1.60v on MSI K8N Neo2 Platinum ThermalRight XP90 25760