ASROCK Fatal1ty B450 Manual Del Usuario página 33

Series
2.4 Expansion Slot (PCI Express Slot)
There is 1 PCI Express slot on the motherboard.
PCIe slot:
PCIE1 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
Before installing an expansion card, please make sure that the power supply is switched
off or the power cord is unplugged. Please read the documentation of the expansion
card and make necessary hardware settings for the card before you start the
installation.
Fatal1ty B450 Gaming-ITX/ac
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