I was running it at 5,2 before I joind XS crunch team. To keep it about 60c I had to lower it to 5GHz. Stability is the only thing I care about. I'm only using my computer to see movies, so it makes a good crucher.
It will be set to run on lower GHz after sc week. We have lots of power in norway but it's not cheap. Just had to get a good start when I joind the team