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B550 motherboard guide: ASUS and AMD bring PCI Express 4.0 to everyone with ROG Strix, TUF Gaming, and Prime - Edge Up
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Asus WS C246 PRO Intel® LGA1151 ATX motherboard with four PCIe 3.0 x16 slots, dual M.2 and USB 3.1 Gen2 connectors - Mentor Distribution
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