Used - Like New: ASRock Z370M-ITX/ac LGA 1151 (300 Series) Intel Z370 HDMI SATA 6Gb/s USB 3.1 Mini ITX Intel Motherboard Intel Motherboards - Newegg.com
Visual Inspection - The ASRock Z370 Gaming-ITX/ac Motherboard Review: Mini- ITX with Thunderbolt 3
ASRock Z370M-ITX/ac: Mini-ITX Motherboard With Dual NICs, WiFi, Triple Display For ~$130 USD - Phoronix