Amazon.com: AsRock Rack Z690D4U-2L2T/G5 Micro-ATX Server Motherboard Single Socket 12th & 13th Gen Intel® Core™, Pentium® and Celeron® Series Processors (LGA 1700) Z690 Dual 10G LAN PCIe 5.0 : Electronics
Motherboard Form Factors Explained - Guide to Motherboard Sizes