The True Shortest AM4 Motherboard: Thin-ITX Comes to AMD
ASRock's cheap chipset-less Thin Mini-ITX motherboard with AM4 - HWCooling.net
KINO-TGL-U Thin Mini-ITX motherboard with the 11th generation Intel® Core™ U processor
Amazon.com: EDIY ITX Mini A4 Computer Case 7.5L Aluminum Mini-ITX Motherboard Small PC Case Test Bench Support SFX Power Supply 300mm Vedio Card Transparent Acrylic Side Panel : Electronics