ASRock - Here comes the world's very first X99 mini-ITX motherboard: X99E- ITX/ac! Key features include: -The World's Only Mini-ITX Form Factor X99 Motherboard! -2T2R Dual Band 802.11ac WiFi + BT v4.0 Support -
ZOTAC 880G-ITX WiFi, Socket AM3, AMD (880GITX-A-E) Motherboard for sale online | eBay
I found it. An mitx sized AM3+ motherboard. : r/Amd