3.5' SBC Embedded Motherboard Support Intel i5-5200U/i7-5500U CPU LVDS EDP 12*USB - AliExpress
Embedded Single Board Computer, SBC, Motherboard, COM Module
Asrock Industrial SBC-220B 3.5" Form Factor Motherboard w/ Intel N3160 CPU | eBay
Source original motherboard for Axiomtek CAPA520 3.5 Embedded SBC with LGA1151Socket 9th/8th Gen Intel Core i7/i5/i3, Pentium & Celeron on m.alibaba.com