Asus Rampage III Extreme - Manual (Page 57)

2.5.4 PCI slot
The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other
cards that comply with PCI specifications. Refer to the figure below for the location
of the slot.
2.5.5 PCI Express x4 slot
This motherboard has one PCI Express x4 slot that supports a PCI Express x4
card 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 four 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.
PCI Express x16_1 slot
PCI Express x16_2 slot
PCI Express x16_4 slot
PCI Express x4_1 slot
PCI slot
PCI Express x16_3 slot
ROG Rampage III Extreme 2-27