90MB14I0-M0EAY0, Asus AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB headers support
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90MB14V0-M0EAY0, Asus AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A | EET
Buyer Beware: Certain AMD Ryzen B550 boards are stripping off PCIe 4.0 for only PCIe 3 - Neowin
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