BMR has a guide on overclocking Intel's Sandy Bridge processors, you can read it over here.
Rules change and we need to be at the top of the technology to understand how new architectures work with our new components. Overclocking is a "sport" which has passed lots of different generations (people and platforms) and from time to time, the way you do it changes a lot. At Benchmark Reviews we put all our effort to bring you reviews and articles covering most of the new products as they arrive to the market, but we also focus a lot on enthusiasts who want to get the best out of their hardware without paying extra money; obviously by overclocking their PC components. With the launch of the new Sandy Bridge processors we feel the necessity to prepare an Overclocking analysis mainly because Intel completely changed the rules. Overclocking is now 99% limited to unlocked processors, and to mid-high platforms, while low-mid platforms and non-unlocked processors can't simply be overclocked more than some extra MHz. Follow us while we put into test both the Core i5 2500K and the Core i7 2600K paired with the P67 Express platform and discover how they work against voltage, heat and power consumption.