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ASUS ROG Strix B550-I Gaming AM4 Mini ITX Motherboard, PCI-E 4.0 – MITXPC
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Amazon.com: ASUS ROG Strix X570-I Gaming, X570 Mini-ITX Gaming Motherboard, AMD Ryzen 3000 with PCIe 4.0, WiFi 6 (802.11ax), Intel Gigabit Ethernet, SATA 6Gb/s : Electronics
Mighty Mini-ITX: ASRock X299E-ITX/ac with 4 Channel DDR4 and 3xM.2 Support