User`s manual

Chapter 2: Hardware setup2-18
Slot No. Slot Description
1 PCIe 3.0 x16_1 slot (single at x16 or dual at x8/x8 mode)
2 PCIe 3.0 x16_2 slot (x8 mode)
3 PCIe 3.0 x16_3 slot (x4 mode)
4 PCIe 3.0 x16_4 slot (single at x16 or dual at x8/x8 mode)
5 PCIe 3.0 x16_5 slot (x4 mode)
6 PCIe 3.0 x16_6 slot (x8 mode)
2.7 Expansion cards
The system comes with six PCI Express 3.0 x16 slots (2 at x16 or x8 mode, 2 at x8 mode,
and 2 at x4 mode).
2.7.1 Slot description