What is Mini-ITX? A Brief Breakdown of Motherboard Sizes
Amazon.com: EVGA X299 MICRO ATX 2, LGA 2066, Intel X299, SATA 6Gb/s, USB 3.1 Gen2, USB 3.1 Gen1, mATX, Intel Motherboard 121-SX-E296-KR : Electronics
MACHINIST H81 PRO Gaming Motherboard, Intel 4th Gen LGA 1150 PC Computer Motherboard (Micro ATX, PCIe 2.0, NGFF M.2, SATA 6Gb/s, Dual DDR3) Support Core i3/i5/i7, Xeon E3/V3, Celeron G Series White
Asus unveils ultimate micro-ATX Intel X99 mainboard for workstations | KitGuru