https://forums.overclockers.co.uk/showpost.php?p=30481690&postcount=87
华擎在Overclockers回复其他网友关于AM4 itx的问题
他手上有一份准备发表的AM4的清单，但其中没包含itx 据他了解其他MB厂也是一样
Actually - I do have a list of AM4 boards that will be available by launch,
and it doesn't include any ITX boards, I'm afraid. On the other hand, I've
heard the same will be true for pretty much everyone else.