There are two PCI-E 16x slots on ASRock B450M Pro4 motherboard. Which one is PCI-E 16x 3.0 and which one is PCI-E 16x 2.0 slot? - Quora
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Can I fit 2 MSI GeForce GTX 1050 2GB video cards on an ASRock B450M PRO4 Micro ATX AM4 motherboard? - Quora
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