Asus P8P67 PRO - Manual (Page 30)

2-12 Chapter 2: Hardware information
Chapter 2
2.2.4 Expansion slots
Ensure to unplug the power cord before adding or removing expansion cards. Failure to do
so may cause you physical injury and damage motherboard components.
Slot No. Slot Description
1 PCIe 2.0 x1_1 slot
2 PCIe 2.0 x16_1 slot (single at x16 or dual at x8/x8 mode)
3 PCIe 2.0 x1_2 slot
4 PCI slot 1
5 PCIe 2.0 x16_2 slot [grey] (at x8 mode)
6 PCI slot 2
7
PCIe 2.0 x16_3 slot [black] (at x4 mode, compatible with PCIe x1 and x4
devices)