4 pci slots, 5 pci express x1 slots, 6 pci express 2.0 x16 slots – Asus P5Q Deluxe User Manual
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Chapter 2: Hardware information
2.5.4
PCI slots
The PCI slots support 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 slots.
2.5.5
PCI Express x1 slots
This motherboard supports PCI Express x1 network cards, SCSI cards and other
cards that comply with the PCI Express specifications. Refer to the figure below for
the location of the slots.
2.5.6
PCI Express 2.0 x16 slots
This motherboard has two PCI Express 2.0 x16 slots that support PCI Express
2.0 x16 graphic cards complying with the PCI Express specifications. Refer to the
figure below for the location of the slots.
2.5.7
Universal PCI Express x16 slot
This motherboard also supports one Universal PCI Express x16 slot with a
maximum speed of x4 link. Refer to the figure below for the location of the slot.
PCI1 slot
PCIe 2.0 x16_1 slot (blue)
Universal PCIe x16_3 slot (black, at max. x4 link)
PCIe x1_2 slot
PCI2 slot
PCIe 2.0 x16_2 slot (black, at max. x8 link)
PCIe x1_1 slot