Asus A8N-SLI SE manual Two PCI Express x16 slots, PCI Express x1 slot, PCI Express x4 slot

2.5.5 Two PCI Express x16 slots

This motherboard supports one PCI Express x16 graphics card or two SLI-ready PCI Express x16 graphic cards that comply with the PCI Express specifications. The figure shows a graphics card installed on the PCI Express x16 slot.

See Chapter 6 for details on the SLI technology feature.

In Single Video Card mode, only the PCI Express blue slot can be used for PCI Express x16 graphics cards.

2.5.6 PCI Express x1 slot

This motherboard supports PCI Express x1 network cards, SCSI cards and other cards that comply with the PCI Express specifications. The figure shows a network card installed on the PCI Express x1 slot.

2.5.7 PCI Express x4 slot

This motherboard provides a PCI Express x4 slot that can support PCI Express x1 and x4 cards. This ASUS proprietary slot allows you to use additional PCI Express cards for twice the speed of a PCI Express x1 slot.

PCI Express x4 slot

The Universal PCIe slot supports a total bandwidth of 1GB/s.

ASUS A8N-SLI SE 2-17