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Fan Connector Question

Simon Sniffcock
By Simon Sniffcock
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Go to solution Solved by MegaDave91,

okay thanks, what happens when i run out of fan headers on the motherboard? i cant seem to spot out many i plan to fill up all the spots so 2 fans front 2 fans for rad and 1 at the back. 

 You can use fan splitter cables to run multiple fans off one header or run them straight off the power supply via 3 pin to molex cables.

Posted

I recently started my first gaming build with the MSI Z97 Gaming 5 mobo. I also bought another 2 AF140 fans. The motherboard only has 4 pin connectors while my fans are 3 pins it should work the same way shouldnt it? Case fans plug into SYS_FAN correct? so what should i plug into CPU_FAN? would it be the ones i hook up to the radiator? 

CPU: i9-13900K |  MOBO: Asus ROG Strix Z790-E | Cooling: Corsair iCUE H150i Elite 360mm AIO | RAM: Corsair Dominator RGB 32GB 6200MHz CL36 DDR5 | GPU: Gigabyte RTX 4080 Gaming OC 16GB | Case: Corsair 5000D Airflow| PSU: Seasonic Prime GX-1300 Gold 1300W | Keyboard: Corsair K95 Platinum | Mouse: Logitech G Pro X Superlight 2 DEX w/ Powerplay

 

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3 pin works just fine in native 4 pin headers. The pump will plug into the cpu fan and the rad fans will plug into sys fan (should be a cpu optional header as well).

Case: Corsair 4000D Airflow; Motherboard: MSI ZZ490 Gaming Edge; CPU: i7 10700K @ 5.1GHz; Cooler: Noctua NHD15S Chromax; RAM: Corsair LPX DDR4 32GB 3200MHz; Graphics Card: Asus RTX 3080 TUF; Power: EVGA SuperNova 750G2; Storage: 2 x Seagate Barracuda 1TB; Crucial M500 240GB & MX100 512GB; Keyboard: Logitech G710+; Mouse: Logitech G502; Headphones / Amp: HiFiMan Sundara / Mayflower Objective 2; Monitor: Asus VG27AQ

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I recently started my first gaming build with the MSI Z97 Gaming 5 mobo. I also bought another 2 AF140 fans. The motherboard only has 4 pin connectors while my fans are 3 pins it should work the same way shouldnt it? Case fans plug into SYS_FAN correct? so what should i plug into CPU_FAN? would it be the ones i hook up to the radiator? 

Pretty sure you hook the CPU_fan to your pump, and radiator fans to system_fans. 

|CPU: Intel 5960X|MOBO:Rampage V Extreme|GPU:EVGA 980Ti SC 2 - Way SLI|RAM:G-Skill 32GB|CASE:900D|PSU:CorsairAX1200i|DISPLAY :Dell U2412M X3|SSD Intel 750 400GB, 2X Samsung 850 Pro|

Peripherals : | MOUSE : Logitech G602 | KEYBOARD: K70 RGB (Cherry MX Brown) | NAS: Synology DS1515+  - WD RED 3TB X 5|ROUTER: AC68U

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3 pin works just fin in native 4 pin headers. The pump will plug into the cpu fan and the rad fans will plug into sys fan. 

okay thanks, what happens when i run out of fan headers on the motherboard? i cant seem to spot out many i plan to fill up all the spots so 2 fans front 2 fans for rad and 1 at the back. 

CPU: i9-13900K |  MOBO: Asus ROG Strix Z790-E | Cooling: Corsair iCUE H150i Elite 360mm AIO | RAM: Corsair Dominator RGB 32GB 6200MHz CL36 DDR5 | GPU: Gigabyte RTX 4080 Gaming OC 16GB | Case: Corsair 5000D Airflow| PSU: Seasonic Prime GX-1300 Gold 1300W | Keyboard: Corsair K95 Platinum | Mouse: Logitech G Pro X Superlight 2 DEX w/ Powerplay

 

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okay thanks, what happens when i run out of fan headers on the motherboard? i cant seem to spot out many i plan to fill up all the spots so 2 fans front 2 fans for rad and 1 at the back. 

 You can use fan splitter cables to run multiple fans off one header or run them straight off the power supply via 3 pin to molex cables.

Case: Corsair 4000D Airflow; Motherboard: MSI ZZ490 Gaming Edge; CPU: i7 10700K @ 5.1GHz; Cooler: Noctua NHD15S Chromax; RAM: Corsair LPX DDR4 32GB 3200MHz; Graphics Card: Asus RTX 3080 TUF; Power: EVGA SuperNova 750G2; Storage: 2 x Seagate Barracuda 1TB; Crucial M500 240GB & MX100 512GB; Keyboard: Logitech G710+; Mouse: Logitech G502; Headphones / Amp: HiFiMan Sundara / Mayflower Objective 2; Monitor: Asus VG27AQ

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okay thanks, what happens when i run out of fan headers on the motherboard? i cant seem to spot out many i plan to fill up all the spots so 2 fans front 2 fans for rad and 1 at the back. 

you can use a molex connecter for you fans from your power supply.

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You buy a fan splitter for a couple bucks.

There's also big connectors with molex plugs you can get, or fan controllers that go in your optical drive bays.

Personal Rig v3: AMD Ryzen 7 2700X | Noctua NH-U14S | Gigabyte B450 Aorus Pro ITX | Zotac GTX 2070 8GB | 16GB G-Skill Trident DDR4 3200MHz | EVGA Supernova 750B | Phanteks Enthoo Evolv ITX 

Peripherals: Sennheiser HD518 & Classic ModMic | Corsair K65 Luxe | Zowie EC2 | ASUS VG259QM  |  ASUS VG278E | Klipsch ProMedia 2.1

 

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 You can use fan splitter cables to run multiple fans off one header or run them straight off the power supply via 3 pin to molex cables.

thanks

CPU: i9-13900K |  MOBO: Asus ROG Strix Z790-E | Cooling: Corsair iCUE H150i Elite 360mm AIO | RAM: Corsair Dominator RGB 32GB 6200MHz CL36 DDR5 | GPU: Gigabyte RTX 4080 Gaming OC 16GB | Case: Corsair 5000D Airflow| PSU: Seasonic Prime GX-1300 Gold 1300W | Keyboard: Corsair K95 Platinum | Mouse: Logitech G Pro X Superlight 2 DEX w/ Powerplay

 

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you can use a molex connecter for you fans from your power supply.

thanks

CPU: i9-13900K |  MOBO: Asus ROG Strix Z790-E | Cooling: Corsair iCUE H150i Elite 360mm AIO | RAM: Corsair Dominator RGB 32GB 6200MHz CL36 DDR5 | GPU: Gigabyte RTX 4080 Gaming OC 16GB | Case: Corsair 5000D Airflow| PSU: Seasonic Prime GX-1300 Gold 1300W | Keyboard: Corsair K95 Platinum | Mouse: Logitech G Pro X Superlight 2 DEX w/ Powerplay

 

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thanks

Anytime :)

Case: Corsair 4000D Airflow; Motherboard: MSI ZZ490 Gaming Edge; CPU: i7 10700K @ 5.1GHz; Cooler: Noctua NHD15S Chromax; RAM: Corsair LPX DDR4 32GB 3200MHz; Graphics Card: Asus RTX 3080 TUF; Power: EVGA SuperNova 750G2; Storage: 2 x Seagate Barracuda 1TB; Crucial M500 240GB & MX100 512GB; Keyboard: Logitech G710+; Mouse: Logitech G502; Headphones / Amp: HiFiMan Sundara / Mayflower Objective 2; Monitor: Asus VG27AQ

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