English
22
2.5 Expansion Slots (PCI Express Slots)
There 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
Three 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
Summary of Contents for X299 OC Formula
Page 17: ...English 15 X299 OC Formula 4 A 3 B 5 ...
Page 19: ...English 17 X299 OC Formula 2 2 Installing the CPU Fan and Heatsink C P U _ F A N 1 2 ...
Page 20: ...English 18 2 3 Installing the Motherboard Backplate 1 2 ...
Page 21: ...English 19 X299 OC Formula 3 4 ...