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White 120mm square PWM case fan with hydraulic bearing, no LED, rubber anti-vibration corners

Corn Electronics

Corn Electronics 120mm PWM case fan white non-LED hydraulic bearing

SKU CH-NRKJ-D1RNY

A 120 mm PWM case fan with hydraulic bearing, 700–1800 RPM, 76.16 CFM airflow and 15.2–35.2 dB noise in white without LEDs

  • LED lightingNon-LED
  • Product typeCase Fan
  • Product colorWhite

LED Non-LED

Model PWM

Model 1 Pack

  • PWM control adjusts speed from 700 to 1800 RPM
  • Hydraulic bearing provides quiet operation down to 15.2 dB(A)
  • Delivers up to 76.16 CFM airflow for effective cooling
  • Generates 2.16 mmH₂O static pressure for heatsink performance
  • Rubber anti-vibration pads reduce case resonance at 2.4W power

120 mm PWM case fan for quiet builds

The Corn Electronics 120 mm white fan uses a hydraulic bearing and PWM control to deliver 76.16 CFM at up to 1800 RPM. It fits standard 120×120×25 mm mounting points and weighs 150 g. The non-LED design keeps the interior dark for clean aesthetics.

PWM speed range limits low-end control

The 4-pin PWM connector allows automatic speed regulation between 700 and 1800 RPM. Below the 7 V starting voltage the motor will not spin, so very low duty cycles may stall the fan. Maximum noise reaches 35.2 dB(A) at full speed, while idle operation sits at 15.2 dB(A).

Replaces fixed-speed or sleeve-bearing fans

Builders upgrading from 3-pin fixed-speed fans gain temperature-based control and a wider 700–1800 RPM range. The hydraulic bearing offers longer life than sleeve types at similar cost. Buyers who need higher static pressure for dense radiators or more airflow than 76.16 CFM should consider larger or faster models.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 70% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Product typeCase Fan
Product colorWhite
More details
LED lightingNon-LED

Other versions of this model

4 more in the same range

Questions about this item

What does the 76.16 CFM airflow rating mean once the fan is installed?

At the maximum 1800 RPM the fan can move up to 76.16 CFM of air through a case or cooler, with actual flow depending on system resistance.

What does the 4-pin PWM connector cap in practice?

The 4-pin PWM connector allows the motherboard to vary speed between 700 and 1800 RPM, so the fan never exceeds the 2.4 W power input or 35.2 dB(A) noise ceiling.

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