Asus SABERTOOTH 990FX R2.0 - Expansion Slots

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Chapter 1: Product introduction
Chapter 1
1.2.5 Expansion slots
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 x16_1 slot (single at x16, dual at x16/x16, triple at x16/x8/x8 mode)
2 PCIe 2.0 x1_1 slot
3 PCIe 2.0 x16_2 slot
4 PCIe 2.0 x16_3 slot
5 PCI slot
6 PCIe 2.0 x16_4 slot