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

BGears

BGears b-PWM Vortex 120 RGB case fan

SKU CH-KM49-3ABDD MPN b-PWM Vortex 120 RGB

120 mm case fan with hydraulic bearing, 600 to 1800 RPM, 10 to 101 CFM airflow and 28 dBA noise

  • Fan size120 mm
  • Number of fans1 Fan
  • Fan depth25 mm
  • Bearing designHydraulic Bearing
  • Rotational speed600 to 1,800 RPM +/- 10%
  • Airflow rate10 to 101 CFM
  • Quiet operation at 28 dBA noise level
  • Wide speed range from 600 to 1800 RPM
  • Strong airflow up to 101 CFM for cooling
  • Hydraulic bearing ensures long-lasting reliability
  • PWM control via 4-pin connector for precise speed adjustment

120 mm PWM case fan

The BGears b-PWM Vortex 120 RGB is a single 120 mm case fan with a 25 mm frame and hydraulic bearing. It connects via a standard mini 4-pin PWM header for automatic speed control. The black frame carries no LED lighting, keeping the look understated for any build.

Suits quiet-focused builds; not for RGB lighting

Builders who want low noise will appreciate the 28 dBA maximum rating and a speed range of 600 to 1800 RPM. The hydraulic bearing supports long-term reliability at modest cost. Buyers who want addressable RGB illumination or a multi-fan kit should look elsewhere.

Fits standard 120 mm mounts

The fan slots into any 120 mm case opening and draws power from a motherboard PWM header. At full speed it delivers up to 101 CFM airflow and 13 mmH2O static pressure, clearing heat from dense fin stacks. The slim 25 mm profile leaves clearance for radiators or cable routing behind the fan.

How it compares

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

Price $10.99
Cheaper than about 90% of the 8,339 comparable items (median $19.99).
Fan size 120 mm
Typical for this category: the median of 1,114 items is 120 mm.

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Specifications

Product
Brand nameBgears
Model nameb-PWM Vortex 120 RGB
Product typeCase Fan
Product colorBlack
Performance
Rotational speed600 to 1,800 RPM +/- 10%
Airflow rate10 to 101 CFM
Air pressure rating2.5 to 13 mmH20
Power
Power input connectorMini 4 pin PWM
Size & build
Fan size120 mm
Number of fans1 Fan
Fan depth25 mm
Bearing designHydraulic Bearing
Product dimensions120 × 120 × 25 mm
Shipping weight0.20 kg
Package size150 × 150 × 60 mm
Compatibility
Compatible withCase
Environment & compliance
Operating noise28 dBA
More details
LED lightingNon-LED

Questions about this item

Does my motherboard need a 4-pin PWM header to run the b-PWM Vortex 120 RGB?

Yes, the fan uses a mini 4-pin PWM connector so a 4-pin header is required for speed control.

Will the 120 mm frame and 25 mm thickness fit in the same mounting points as my existing 120 mm fans?

The fan measures 120 x 120 x 25 mm, matching the standard 120 mm mounting pattern used by most cases and radiators.

How can I confirm the fan is spinning within its 600 to 1800 RPM range after installation?

Monitor the RPM reading in BIOS or fan-control software; it should stay between 600 and 1800 RPM with a tolerance of ±10 %.

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