ASRock X399 Phantom Gaming 6 User Manual - Page 29

Expansion Slots (PCI Express Slots), PCIe Slot Configurations

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X399 Phantom Gaming 6 2.5 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 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards. PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards. PCIE3 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards. PCIe Slot Configurations Single Graphics Card Two Graphics Cards in CrossFireXTM or SLITM Mode Three Graphics Cards in 3-Way CrossFireXTM Mode or 3-Way SLITM Mode PCIE1 x16 x16 x16 PCIE2 N/A x16 x16 PCIE3 N/A N/A x16 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 23

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English
23
X399 Phantom Gaming 6
2.5
Expansion Slots (PCI Express Slots)
°ere are 3 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE3 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIe Slot Configurations
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.
PCIE1
PCIE2
PCIE3
Single Graphics Card
x16
N/A
N/A
Two Graphics Cards in
CrossFireX
TM
or SLI
TM
Mode
x16
x16
N/A
°ree Graphics Cards in
3-Way CrossFireX
TM
Mode
or 3-Way SLI
TM
Mode
x16
x16
x16
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.