ASUS Prime H610M-E D4 LGA 1700(Intel 12th Gen) mATX Motherboard (PCIe 4.0, DDR4,2xM.2 Slots,1Gb LAN,DisplayPort/HDMI/D-Sub, USB 3.2 Gen 1 Ports, SATA 6 Gbps, COM Header, RGB Header) - PC Maestro
Amazon.com: ASUS Prime H610M-E D4 LGA 1700(Intel 12th Gen) mATX Motherboard (PCIe 4.0, DDR4,2xM.2 Slots,1Gb LAN,DisplayPort/HDMI/D-Sub, USB 3.2 Gen 1 Ports, SATA 6 Gbps, COM Header, RGB Header) : Electronics
GIGABYTE X299-WU8 LGA 2066 Intel Motherboard with Dual Intel Server LAN - Newegg.com
Here's an insanely long motherboard with 8 PCIe x16 slots | PC Gamer