Amazon.com: AsRock Rack E3C256D4I-2T Mini-ITX Server Motherboard Single Socket H5 (LGA1200) Intel Xeon E-2300 and 10th Gen Pentium Series C256 Dual 10GbE : Electronics
ASRock builds Mini-ITX motherboard for Intel 28 core CPU | PC Builder's Club
NeweggBusiness - AsRock Rack E3C256D4I-2T Mini ITX Server Motherboard,Supports Intel® Xeon® E-2300 and 10th Gen Intel® Pentium® Series Processors,Single Socket H5 (LGA1200),Intel® C256.
MI995 Mini-ITX Motherboard - EG Electronics Systems