In awaiting for my i7 5960X with the same batch# of yours. found it at flea, let see and hope, fingers cross that be like yours. This is my last one already own two of this bad boys and they are a potato compare to yours. One @ 4.2Ghz need it 1,280V, the other one that is on the computer 4.3Ghz need it 1,280V. This last one has a an idle voltage of 0.995Volt.