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English
Z170 OC Formula
For a better thermal environment, please connect a chassis fan to the motherboard’s chas-
sis fan connector (CHA_FAN1, CHA_FAN2, CHA_FAN3 or CHA_FAN4) when using
multiple graphics cards.
PCIe Slot Configurations
PCIE1
PCIE2
PCIE4
PCIE6
Single Graphics
Card
x16
N/A
N/A
N/A
Two Graphics
Cards in
CrossFireX
TM
or
SLI
TM
Mode
x8
N/A
x8
N/A
Three Graphics
Cards in 3-Way
CrossFireX
TM
Mode
x8
x4
x8
N/A
Four Graphics
Cards in 4-Way
CrossFireX
TM
Mode
x8
x4
x4
x4