Stefan Mileschin

When Intel launches a new family of desktop processors, it typically unleashes its high-end unlocked SKUs first, including the K and KF models. Not only does this give users a glimpse of its performance enhancements throughout its product development cycle and roadmap in the best possible light, but it also allows enthusiasts and high-end performance junkies to get their hands on the latest and most potent*processors from the very beginning of the product cycle.

https://www.anandtech.com/show/18702...5-w-processors