ASRock Z270 Extreme4 User Manual - Page 30
pin CHA_FAN3/W, pin CPU_OPT/W
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Chassis Optional/Water Pump Fan Connector (4-pin CHA_FAN3/W_ PUMP) (see p.8, No. 16) GND FAN_VOLTAGE FAN_SPEED FAN_SPEED_CONTROL 1 2 34 This motherboard provides two 4-Pin water cooling chassis fan connectors. If you plan to connect a 3-Pin chassis water cooler fan, please connect it to Pin 1-3. CPU Fan Connector (4-pin CPU_FAN1) (see p.8, No. 2) FAN_SPEED_CONTROL CPU_FAN_SPEED FAN_VOLTAGE GND 1 2 34 This motherboard provides a 4-Pin CPU fan (Quiet Fan) connector. If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3. CPU Optional/Water Pump Fan Connector (4-pin CPU_OPT/W_ PUMP) (see p.8, No. 3) FAN_SPEED_CONTROL CPU_FAN_SPEED FAN_VOLTAGE GND This motherboard 4 3 provides a 4-Pin water 2 cooling CPU fan 1 connector. If you plan to connect a 3-Pin CPU water cooler fan, please connect it to Pin 1-3. ATX Power Connector (24-pin ATXPWR1) (see p.8, No. 6) 12 24 1 13 This motherboard provides a 24-pin ATX power connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13. ATX 12V Power Connector (8-pin ATX12V1) (see p.8, No. 1) 8 5 This motherboard pro- vides an 8-pin ATX 12V 4 1 power connector. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. English 24