Hello,
I have a fresh Installation of High Sierra 10.13.1 on my ASRock Fatal1ty Z370 itx with Coffee Lake Core i7 8700K.
Sound, LAN, iMessage, FaceTime, AppStore, USB Ports, NVMe SSD are working fine.
What I can't get working is my Thunderbolt Port. I have TB3>TB2 adapter and a Western Digital...