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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 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.
PCIE5 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
* PCIE5, M2_3 and SATA3_3 share lanes. If either one of them is in use, the others
will be disabled.
PCIe Slot Configurations
Single Graphics Card
Two Graphics Cards in
CrossFireX
Three Graphics Cards in
3-Way CrossFireX
For a better thermal environment, please connect a chassis fan to the motherboard's
chassis fan connector (CHA_FAN1~6/WP) when using multiple graphics cards.
26
PCIE1
x16
x8
TM
Mode
x8
TM
Mode
PCIE4
PCIE5
N/A
N/A
x8
N/A
x8
x4
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