ASRock B550M Phantom Gaming 4 User Manual - Page 31
Expansion Slots PCI Express Slots
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B550M Phantom Gaming 4 2.4 Expansion Slots (PCI Express Slots) There are 3 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 x1 slot) is used for PCI Express x1 lane width cards. PCIE3 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards. PCIe Slot Configurations Ryzen Series CPUs (Matisse) PCIE1 Gen4x16 PCIE2 Gen3x1 PCIE3 Gen3x4 Ryzen Series CPUs (Renoir) Gen3x16 Gen3x1 Gen3x4 For a better thermal environment, please connect a chassis fan to the motherboard's chassis fan connector (CHA_FAN1/WP, CHA_FAN2/WP or CHA_FAN3/WP) when using multiple graphics cards. English 25