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  1. How-To Geek
    https://www.howtogeek.com/.../what-is-the-difference-between-three-and-four-pin-cpu-fans

    What Is the Difference Between Three- and Four-Pin …

    • Learn the difference between three and four wire CPU fans, how they control fan speed, and how to connect them to fan headers. See diagrams and examples of three and four wire fan connectors.… See more

    The Question

    SuperUser reader RockPaperLizard wants to know what the difference is between … See more

    How-To Geek
    The Answer

    SuperUser contributor Homey_D_Clown_IT has the answer for us:
    Basic Differences
    A three pin connector is basically power (5/12 volt), … See more

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    The Best Tech Newsletter Around

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    How-To Geek
    PWM vs DC fans: Which should you buy for PC cooling
    PWM fans, also known as 4-pin fans, use pulse width modulation to vary fan speed, accomplished via an extra “control” pin. In short, PWM fans can be ramped up and down via the motherbo…
    Tom's Hardware · https://www.tomshardware.…
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  1. Amazon
    https://www.amazon.com/Noctua-NF-A4…

    Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin …

    Jul 3, 2018 · Premium quiet fan, 40x40x10 mm, 12V, 4-pin PWM, max. 5000 RPM, max. 19.6 dB (A), >150,000 h MTTF. Award-winning A-series design …

    • 4.8/5
    • Price: $13.95
    • Brand: Noctua

  2. Images of 4 Pin Fan

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    3 vs 4 Pin Fan connector - Noctua NF-F12 PWM | TechDragon.info - YouTube
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    Akasa 45cm 4 Pin PWM CPU Fan Power Cable 5x PWM 4Pin Fan Splitter Extension Cable Connector For ...
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  3. CG Director
    https://www.cgdirector.com/3-pin-vs-4-p…

    3-Pin vs 4-Pin PC/Case Fans Compared [Differences

    Jun 14, 2023 · Buy 4-Pin PWM fans if your motherboard has 4-pin fan headers and your goal is to achieve precise fan RPMs that ramp up and down depending on your CPU’s (or other sensor’s) temperature.

  4. Tom's Hardware
    https://www.tomshardware.com/.../pw…

    PWM vs DC fans: Which should you buy for PC cooling

    Jul 4, 2024 · PWM fans, also known as 4-pin fans, use pulse width modulation to vary fan speed, accomplished via an extra “control” pin. In short, PWM fans can be ramped up and down via the motherboard or ...

  5. Amazon
    https://www.amazon.com/Noctua-NF-A…

    Noctua NF-A12x25 PWM, Premium Quiet Fan, 4-Pin …

    Premium quiet fan, 120x120x25mm, 12V, 4-pin PWM, max. 2000 RPM, max. 22.6 dB (A), >150,000 h MTTF. Next-gen A-series design combines high airflow and high static pressure performance, ideal both as a case fan and for CPU …

  7. Newegg.com
    https://www.newegg.com/p/pl?d=4+pin+fan

    4 pin fan - Newegg.com

    • Noctua NF-P12 PWM, Premium …

    • $21.95

    • Noctua NF-P12 Redux-1300 …

    • $14.95

    • Noctua NF-S12B Redux-1200 …

    • $19.98

    • Free Shipping

    • Noctua NF-R8 Redux-1800 …

    • $16.98

    • Free Shipping

    • Noctua NF-A12x25 PWM …

    • $34.95

    • XIGMATEK Galaxy III Essential ARGB …

    • $59.99

    • Free Shipping

    • XIGMATEK Galaxy III Essential ARCTIC …

    • $40.90

    • Free Shipping

    • Noctua NA-FH1, 8 Channel Fan Hub …

    • $27.98

  8. Amazon
    https://www.amazon.com/4-pin-fans/s?k=4+pin+fans

    Amazon.com: 4 Pin Fans

    • ACMEMATION 120mm RGB …

    • $13.95

    • Uphere 3-Pack PWM 4PIN Long Life …

    • $15.99

    • Cooler Master Sickleflow 120 V2 …

    • $9.99

    • Uphere Long Life 120mm PWM 4 …

    • $17.99

    • ASUS ROG Strix XF120 Whisper …

    • $22.68

    • Antec 120mm Case Fan, RGB Case …

    • $39.95

    • Free Shipping

    • Antec PWM PC Fans, 120mm …

    • $29.99

    • Thermalright TL-C12C X3 CPU …

    • $12.90

  9. Newegg.com
    https://www.newegg.com/p/pl?d=4+pin+pc+fans

    4 pin pc fans - Newegg.com

    • Thermalright TL-B8W CPU Fan …

    • $7.29

    • Free Shipping

    • 120x38mm PC Computer Fan DC …

    • $17.99

    • Free Shipping

    • PCCOOLER CPS F5 R120 BK 3IN1 …

    • $31.49

    • Free Shipping

    • SAMA SF200 3 Pack Case Fan 120mm …

    • $21.79

    • Free Shipping

    • 120mm Case Fan Premium …

    • $25.99

    • Free Shipping

    • Scythe Kaze Flex PWM, Premium …

    • $10.99

    • Free Shipping

    • Scythe Kaze Flex II PWM, 120Mm, …

    • $16.95

    • Free Shipping

    • Mechanic Master 9025 90mm Fan …

    • $23.99

    • Free Shipping
  10. Newegg.com
    https://www.newegg.com/p/pl?n=100007998 600035674

    4 Pin Case Fans - Newegg.com

    • Enermax Squa RGB PWM 120mm …

    • $39.99

    • Silverstone FW Series SST …

    • $37.99

    • NZXT F120 RGB Core Fan - RF …

    • $60.99

    • Free Shipping

    • NZXT F120 RGB Core Fan - RF …

    • $65.99

    • Free Shipping

    • CORSAIR Icue AF120 ELITE …

    • $24.99

    • Corsair LL Series CO-9050071-WW …

    • $14.70

    • Free Shipping

    • Corsair LL Series CO-9050071-WW …

    • $19.99

    • Free Shipping

    • CORSAIR Icue AR120 RGB …

    • $54.99

  11. Robots.net
    https://robots.net/tech/how-to-connect-4 …

    How To Connect 4 Pin Case Fan - Robots.net

    Dec 14, 2023 · Learn how to connect a 4-pin case fan to your motherboard for efficient cooling and airflow in your computer case. Follow the steps to identify the fan header, check the voltage and amperage requirements, locate the fan …