ASRock X670E Steel Legend User Manual - Page 37
Expansion Slots PCIe Slots
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X670E Steel Legend Expansion Slots (PCIe 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 5.0 x16 slot) is used for PCIe x16 lane width graphics cards. PCIE2 (PCIe 3.0 x1 slot) is used for PCIe x1 lane width cards. PCIE3 (PCIe 3.0 x16 slot) is used for PCIe x4 lane width graphics cards. PCIe Slot Configurations Single Graphics Card Two Graphics Cards in CrossFireTM Mode PCIE1 Gen5x16 Gen5x16 PCIE3 N/A Gen3x4 For a better thermal environment, please connect a chassis fan to the motherboard's chassis fan connector (CHA_FAN1~4/WP) when using multiple graphics cards. 33