ASROCK B450 Pro4 R2.0 User Manual

English
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2.4 Expansion Slots (PCI Express Slots)
ere are 6 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 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.*
PCIE5 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE6 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
* If M2_1 is occupied, PCIE4 will be disabled.
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.
PCIE2 PCIE4
Ryzen Series CPUs (Matisse) x16 x4
Ryzen Series CPUs (Pinnacle Ridge) x16 x4
Ryzen Series CPUs (Summit Ridge) x16 x4
Ryzen Series CPUs (Picasso) x8 x4
Ryzen Series CPUs (Raven Ridge) x8 x4
Athlon Series CPUs x4 x2

ASROCK B450 Pro4 R2.0 Specifications

General

Brand	ASROCK
Model	B450 Pro4 R2.0
Category	Motherboard
Language	English