Asus Rampage III Formula - Manual (Page 57)

PCI Express x16_1 slot
PCI Express x16_2 slot
PCI Express x1_2 slot
PCI slot
PCI Express x16_3 slot
2.5.5 PCI Express x1 slots
This motherboard has two PCI Express x1 slots that support PCI Express x1 cards
complying with the PCI Express specifications. Refer to the figure below for the
location of the slot.
2.5.6 PCI Express x16 slots
This motherboard has three PCI Express x16 slots that support PCI Express x16
cards complying with the PCI Express specifications. Refer to the figure below for
the location of the slot.
• Refer to the following configuration table for installation.
PCIex16 Slot # Single
VGA
SLI/CF 3 way
SLI/CFX
1 x16 x16 x16
2 — — x8
3 — x16 x8
• We recommend that you provide sufficient power when running
CrossFireX™ or SLI mode. See page 2-45 for details.
• Connect a chassis fan to the motherboard connector labeled
CHA_FAN1/2/3 when using multiple graphics cards for better thermal
environment.
PCI Express x1_1 slot
ROG Rampage III Formula 2-29