Answer

This MB could only support 2 way SLI, please refer to the below info:

Install 1pcs of PCIE card: The PCIE speed is 16X
Install 2pcs of PCIE card: The PCIE speed is 8X * 8X
Install 3pcs of PCIE card: The PCIE speed is 8X * 4X * 4X

Note: The PCIE 8X is th