Gigabyte GA-X99P-SLI User Manual page 26

6) CPU_OPT (Water Cooling CPU Fan Header)
The fan header is 4-pin and possesses a foolproof insertion design. When connecting a fan cable, be sure
to connect it in the correct orientation (the black connector wire is the ground wire). The speed control
function requires the use of a fan with fan speed control design.
7) SATA_EXPRESS (SATA Express Connector)
The SATA Express connector supports a single SATA Express device.
Hardware Installation
Pin No. Definition
1
1
2
3
S 3
4
S _
S _
S _
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U
B_
S
GND
Speed Control
Sense
B S S S
VCC
S F
B_
S
1 2 3
_
_