Yes it will @ x8/x8 mode, which is fine.
- 2 x PCI Express 3.0 x16 slots (PCIE2/PCIE3: single at x16 (PCIE2) / x8 (PCIE3) or dual at x8/x8 mode)
- 2 x PCI Express 2.0 x1 slots
- 2 x PCI slots
- Supports AMD Quad CrossFireX™ and CrossFireX™
- Supports NVIDIA® Quad SLI™ and SLI™