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Black 120 mm square case fan with hydraulic bearing and 4-pin PWM connector

Corn Electronics

Corn Electronics 120×120×25 mm PWM Hydraulic Bearing Fan

SKU CH-1C84-YWGNN

A 120 mm PWM case fan with hydraulic bearing runs 700 to 1800 RPM, moves up to 76.16 CFM at 2.16 mmH₂O and stays between 15.2 and 35.2 dB(A)

  • TypeCase Fan
  • ColorBlack
  • LEDNon-LED

LED Non-LED

  • 120 mm PWM fan fits standard case mounts
  • Hydraulic bearing runs quietly from 15.2 dB
  • Speed range 700 to 1800 RPM adapts to load
  • 16 CFM airflow cools components effectively
  • 4-pin connector enables precise motherboard control

120 mm PWM hydraulic-bearing fan

This 120×120×25 mm case fan uses a hydraulic bearing and a 4-pin PWM connector for automatic speed control. Rated at 12 VDC with a 0.2 A draw, it consumes 2.4 W while spinning between 700 and 1 800 RPM. The black, non-LED frame weighs 150 g and fits standard 120 mm mounting points.

Suitable for quiet builds

The speed range produces 15.2 to 35.2 dB(A) and delivers up to 76.16 CFM at 2.16 mmH₂O static pressure, making it a good match for noise-sensitive chassis or CPU coolers that need variable airflow. Builders who need addressable RGB lighting, a larger frame size, or higher static pressure for dense radiators should consider other options.

4-pin PWM connector decides fit

The fan terminates in a standard 4-pin PWM header, so the motherboard or fan controller must provide that exact connector for full speed regulation. A 3-pin header will run the fan at fixed voltage without PWM control. Verify the header type before purchasing.

Highlights

  • 120 mm PWM fan fits standard case mounts
  • Hydraulic bearing runs quietly from 15.2 dB
  • Speed range 700 to 1800 RPM adapts to load
  • 16 CFM airflow cools components effectively
  • 4-pin connector enables precise motherboard control

Specifications

TypeCase Fan
ColorBlack
LEDNon-LED

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Questions about this item

What airflow and noise range will I see at the 1800 RPM top speed?

At maximum speed the fan moves 76.16 CFM at 35.2 dB(A); at the 700 RPM floor it delivers much less flow at 15.2 dB(A).

Does the 4-pin PWM connector allow full motherboard speed control?

Yes, the 4-pin PWM header lets the board vary the fan between 700 and 1800 RPM automatically.

Will the 120×120×25 mm frame fit my standard 120 mm case mount?

The 120 mm square by 25 mm thick frame matches the usual 120 mm mounting holes.

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