ASUS M4A88T-I Deluxe - Motherboard - mini ITX - Socket AM3 - AMD 880G - USB 3.0 - Bluetooth, Gigabit Ethernet, 802.11n - onboard graphics - HD Audio (8-channel) at TigerDirect.com
Amazon.com: ASUS Socket AM3/AMD 760G/A&V&GbE/Micro ATX Motherboard s M4A78LT-M : Electronics
ZOTAC 890GX-ITX WiFi - Motherboard - mini ITX - Socket AM3 - AMD 890GX - USB 3.0 - Gigabit LAN, Wi-Fi(n) - onboard graphics - HD Audio at TigerDirect.com
A78fx Game Motherboard Support Amd Am3 + Fx / Am3 Series Processors Mainboard - Buy Game Motherboard,Amd Mainboard,Am3 Series Mainboard Product on Alibaba.com
Used - Very Good: ZOTAC GF6100-E-E AM3 (up to 65 watt TDP) / AM2+ / AM2 Mini ITX AMD Motherboard - Newegg.com
I found it. An mitx sized AM3+ motherboard. : r/Amd