ASROCK X370M Pro4-F - Expansion Slots (PCI Express Slots)

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2.4 Expansion Slots (PCI Express Slots)
ere are 3 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE3 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIe Slot Congurations
Before installing an expansion card, please make sure that the power supply is
switched o 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.
PCIe Slot PCIE1 PCIE2 PCIE3
A-Series APUs (Bristol Ridge) x1 8 x4
Ryzen Series CPUs (Matisse) x1 x16 x4
Ryzen Series CPUs (Pinnacle Ridge) x1 x16 x4
Ryzen Series CPUs (Summit Ridge) x1 x16 x4
Ryzen Series CPUs (Picasso) x1 x8 x4
Ryzen Series CPUs (Raven Ridge) x1 x8 x4
AMD Athlon Series CPUs x1 x4 x4