Kaby Lake-S has 15 percent more I/O lanes
 

Intel is gearing up to launch its third generation 14nm processor codenamed Kaby Lake which is a minor update to the Skylake generation.

This quad-core with eight threads is a high-end processor will bring a few small changes. It will be faster within the same TDP but Intel is not talking about the actual clocks. The fastest Skylake is the Intel Core i7-6700K and it has a 4.0GHz base clock and 4.2Ghz on turbo.

http://fudzilla.com/news/processors/...more-i-o-lanes