Users Guide
PCI-Express graphics card installation matrix
Table 14. PCI-Express graphics card installation matrix
PSU Single Graphics Dual Graphics Triple Graphics
850 W Slot installation Slot 1 Slot 1 and Slot 4 Not supported
Power connector label PCIE 1 PCIE 1 and PCIE 3
Primary Output Slot 1 Slot 4
1500 W Slot installation Slot 1 Slot 1 and Slot 4 Slot 1 and Slot 4 and
Slot 7
Power connector label PCIE 1 PCIE 1 and PCIE 3 PCIE 1 and PCIE 3 and
PCIE 2
Primary Output Slot 1 Slot 4 Slot 4
PCI-Express Add-in-Card slot lane assignments
Table 15. PCI-Express Add-in-Card slot lane assignments
i9-7900X Single card Config 1 Single card Config 2 Single card Config 3
Slot 1 (x16) X
Slot 3 (x8)
Slot 4 (x16) X
Slot 5 (x8)
Slot 7 (x8) X
Monitor connect Slot 1 Slot 4 Slot 7
PCIe Add-in-Card Slot Lane Assignments
Table 16. PCI-Express Add-in-Card slot lane assignments
i9-7900X Dual card Config 1 Dual card Config 2 Dual card Config 3
Slot 1 (x16) X X
Slot 3 (x8)
Slot 4 (x16) X X
Slot 5 (x8)
Slot 7 (x8) X X
Monitor connect Slot 4 Slot 1 Slot 4
PCIe Add-in-Card Slot Lane Assignments
Table 17. PCI-Express Add-in-Card slot lane assignments
i9-7900X Triple card Config 1
Slot 1 (x16) X
Slot 3 (x8)
Slot 4 (x16) X
Slot 5 (x8)
Slot 7 (x8) X
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