4 pci slot, 7 two pci express x16 slots, 5 two pci-x slots – Asus M2N32 WS Professional User Manual
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Chapter 2: Hardware information
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.
2.5.7
Two PCI Express x16 slots
This motherboard supports two SLI-ready PCI Express x16 graphic cards that
comply with the PCI Express specifications. Refer to the figure below for the
location of the slot.
2.5.5
Two PCI-X slots
The PCI-X slots support cards such as a LAN card, SCSI card, USB card, and
other cards that comply with PCI-X 1.0 specifications. Refer to the figure below for
the location of the slots.
2.5.6
Two 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 slot.
PCI Express x1 slot
Primary PCI Express x16 slot (blue)
PCI-X slots
Secondary PCI Express x16 slot (black)
PCI Express x1 slot
PCI slot