The Tech Report published a review on the Gigabyte's Z170X-Gaming G1 motherboarded
A quote from the article:
Gigabyte's Z170X-Gaming G1 is the very definition of top end. This board is four-way CrossFire and SLI ready, thanks to a PLX PCIe switch chip. The Gaming G1 also offers Thunderbolt 3 connectivity thanks to Intel's Alpine Ridge controller. Let's see what happens to a Skylake board when money is no object.Gigabyte's Z170X-Gaming G1 motherboard reviewed @ The Tech Report