I found it. An mitx sized AM3+ motherboard. : r/Amd
Sapphire IPC-AM3DD785G Socket AM3 DDR3 Mini ITX Motherboard Review Result and general impression
Original Used Asus M4A88T I Deluxe Desktop Motherboard 880G Socket AM3 DDR3 USB2.0 Mini ITX 100% Fully Test|desktop motherboard|am3 ddr3socket am3 - AliExpress