Expansion Slots (Pci Express Slots) - ASROCK B550AM Gaming User Manual

2.4 Expansion Slots (PCI Express Slots)

There are 2 PCI Express slots on the motherboard.
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.
PCIe slots:
PCIE1 (PCIe 4.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIe Slot Configurations
Ryzen Series CPUs (Matisse)
Ryzen Series CPUs (Summit Ridge)
Ryzen Series CPUs (Pinnacle Ridge)
Ryzen Series CPUs (Picasso)
Ryzen Series CPUs (Raven Ridge)
AMD Athlon series CPUs
For a better thermal environment, please connect a chassis fan to the motherboard's
chassis fan connector (CHA_FAN1/WP) when using multiple graphics cards.
PCIE1 PCIE2
Gen4x16 Gen3x4
Gen4x16 Gen3x4
Gen4x16 Gen3x4
Gen3x8 Gen3x4
Gen3x8 Gen3x4
Gen3x4 Gen3x4
B550AM Gaming
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