Expansion Slots (Pci Express Slots) - ASROCK X470 Taichi User Manual

2.4 Expansion Slots (PCI Express Slots)

There are 5 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 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE3 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.
PCIE4 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE5 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
* If PCIE5 slot is occupied, M2_2 will be disabled.
PCIe Slot Configurations
Single Graphics Card
Two Graphics Cards in
CrossFireX TM or SLI
Mode
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.
PCIE1
x16
TM
x8
PCIE3
N/A
x8
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