ASROCK X299 OC Formula Bedienungsanleitung Seite 24

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 CrossFireX
TM
* 3-Way SLI is only supported with CPU with 44 lanes or 28 lanes; 4-Way SLI
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)
Single Graphics Card
Two Graphics Cards in
CrossFireX
Mode
Three Graphics Cards in
3-Way CrossFireX
or 3-Way SLI
Four Graphics Cards in
4-Way CrossFireX
or 4-Way SLI
22
TM
is only supported with CPU with 44 lanes or 28 lanes.
PCIE1
x16
TM TM
x16
or SLI
TM
x16
Mode
TM
Mode
TM
x8
Mode
TM
Mode
PCIE3 PCIE4 PCIE5
N/A N/A
N/A N/A
N/A N/A
x8 N/A
TM
is
PCIE7
N/A N/A
x16 N/A
x16 x8
x16 x8