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2-36 Chapter 2: Hardware information
7. CPU, chassis, and optional fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN1–3, 3-pin PWR_FAN,
3-pin OPT_FAN1–3)
The fan connectors support cooling fans of 350 mA–1000 mA (24 W max.) or
a total of 1 A–3.48 A (41.76 W max.) at +12V. Connect the fan cables to the
fan connectors on the motherboard, making sure that the black wire of each
cable matches the ground pin of the connector.
not jumpers! DO NOT place jumper caps on the fan connectors!
• Only the CPU_FAN, CHA_FAN1–3, and OPT_FAN1–3 connectors support
the ASUS Q-Fan Plus feature.
• If you install multiple VGA cards, we recommend that you plug the chassis
fan cable to the motherboard connector labled CHA_FAN2 or OPT_FAN2/3
for better thermal environment.
STRIKER II EXTREME
CPU_FAN
CHA_FAN1
CHA_FAN2
CHA_FAN3
OPT_FAN1
OPT_FAN2
OPT_FAN3
PWR_FAN
CPU_FAN
PWR_FAN
Rotation
+12V
GND
OPT_FAN1
Rotation
+12V
GND
GND
+12V
Rotation
GND
+12V
Rotation
CHA_FAN1 CHA_FAN2
GND
+12V
Rotation
OPT_FAN2 OPT_FAN3
GND
+12V
Rotation
CHA_FAN3
GND
+12V
Rotation
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
STRIKER II EXTREME/
STRIKER II NSE Fan connectors