ASROCK X99 Taichi Manual page 23

PCIe Slot Configurations (For CPU with 28 PCIe lanes)
Single Graphics Card
Two Graphics Cards in
TM
CrossFireX or SLI
Mode
Three Graphics Cards in
TM
3-Way CrossFireX
TM
or 3-Way SLI Mode
For a better thermal environment, please connect a chassis fan to the motherboard's chas-
sis fan connector (CHA_FAN1, CHA_FAN2 or CHA_FAN3) when using multiple graphics
cards.
PCIE1 PCIE2
N/A
TM
N/A
Mode N/A
PCIE3 PCIE4
x16 N/A N/A
x16 N/A N/A
x8 N/A x8
X99 Taichi
PCIE5
N/A
x8
x8
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