Choosing Z270 MiniITX MOBO for a new build.

Hi guys! My first post on Reddit :)

I'm looking forward for my second Hackintosh build (based on a Kabylake i7-7700k) and I got several questions. Sry for stupid ones - my current build is a tonymac one, and now I want a new build with Vanilla install on board :)

1) I'm looking for a Z270 MOBO (miniITX) with a Thunderbolt 3 or USB 3.1 Gen 2 (A or C) interface and that's what I've found:

-ASRock Fatal1ty Z270 Gaming-ITX/ac

-MSI Z270I GAMING PRO CARBON AC

-GIGABYTE GA-Z270N-Gaming 5 (rev. 1.0)

So the first question is: is there any kexts to get one of these interfaces working on Hackintosh with it's fully speeds (40 Gbs and 10 Gbs)?

2) Which MOBO is preferable for the build? (I'm not going to use the onboard wi-fi and bluetooth and I'm using the external Focusrite Solo soundcard (USB). However the sleep/wake working the right way is preferable.

3) More questions are about to be posted here (about vanilla installion, kexts, migration from tonymac build to the new one etc.) But firstly I have to choose the components)

Thanks in advance!

Alex