Jerykk wrote on Sep 10, 2012, 23:59: I don't think any Intel CPU is locked anymore.
Most of them are still locked. Only the 'K' models are unlocked. I have an i5-2500K and I can confirm excellent OC-ability. I just set my mobo to auto-OC as well and the 2500K is running at 4.2GHz on air without any issue whatsoever.