ASRock X299 OC Formula User Manual - Page 28

Expansion Slots (PCI Express Slots), PCIe Slot Configurations For CPU with 44 PCIe lanes

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2.5 Expansion Slots (PCI Express Slots) There are 7 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 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 x16 lane width graphics cards. PCIE6 (PCIe 3.0 x4 slot) is used for PCI Express x4 lane width graphics cards. PCIE7 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards. * 4-Way CrossFireXTM is only supported with CPU with 44 lanes or 28 lanes. * 3-Way SLITM is only supported with CPU with 44 lanes or 28 lanes; 4-Way SLITM is only supported with CPU with 44 lanes. * If you install CPU with 28 lanes or 16 lanes, PCIE6 will be disabled. PCIe Slot Configurations (For CPU with 44 PCIe lanes) PCIE1 PCIE3 PCIE4 Single Graphics Card x16 N/A N/A PCIE5 N/A PCIE7 N/A Two Graphics Cards in CrossFireXTM or SLITM Mode x16 N/A N/A x16 N/A Three Graphics Cards in 3-Way CrossFireXTM Mode x16 N/A N/A x16 x8 or 3-Way SLITM Mode Four Graphics Cards in 4-Way CrossFireXTM Mode x8 or 4-Way SLITM Mode x8 N/A x16 x8 22 English

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English
22
2.5
Expansion Slots (PCI Express Slots)
°ere are 7 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 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 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 x16 lane width graphics cards.
PCIE6 (PCIe 3.0 x4 slot) is used for PCI Express x4 lane width graphics cards.
PCIE7 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.
* 4-Way CrossFireX
TM
is only supported with CPU with 44 lanes or 28 lanes.
* 3-Way SLI
TM
is only supported with CPU with 44 lanes or 28 lanes; 4-Way SLI
TM
is
only supported with CPU with 44 lanes.
* If you install CPU with 28 lanes or 16 lanes, PCIE6 will be disabled.
PCIe Slot Configurations (For CPU with 44 PCIe lanes)
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
PCIE3
PCIE4
PCIE5
PCIE7
Single Graphics Card
x16
N/A
N/A
N/A
N/A
Two Graphics Cards in
CrossFireX
TM
or SLI
TM
Mode
x16
N/A
N/A
x16
N/A
°ree Graphics Cards in
3-Way CrossFireX
TM
Mode
or 3-Way SLI
TM
Mode
x16
N/A
N/A
x16
x8
Four Graphics Cards in
4-Way CrossFireX
TM
Mode
or 4-Way SLI
TM
Mode
x8
x8
N/A
x16
x8