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Black 140mm PWM case fan with ARGB lighting

be quiet!

be quiet! BL126 LIGHT WINGS LX 140mm PWM ARGB Case Fan

SKU CH-5FBH-8MNPV MPN BL126

A 140 mm PWM case fan with ARGB lighting for chassis airflow and colour control

  • Fan Counts1 Fan
  • TypeCase Fan
  • Fan Size140mm
  • ColorBlack
  • LEDARGB

Fan Size 140mm

Model LIGHT WINGS LX PWM

Option Single Pack

  • 140mm size moves more air at lower RPM
  • PWM control adjusts speed to match thermal load
  • ARGB lighting syncs with motherboard software
  • Single fan kit fits standard 140mm mounts
  • Black frame blends into dark-themed builds

140mm PWM ARGB Case Fan

The be quiet! LIGHT WINGS LX BL126 is a single 140mm case fan with addressable RGB lighting. It uses PWM control for automatic speed adjustment based on system temperature. The black frame and blades suit dark-themed builds. It targets builders who want quiet airflow with customisable illumination.

Sustained airflow with PWM regulation

Under continuous load the fan maintains steady RPM through the motherboard PWM curve rather than spiking to maximum speed. This keeps noise levels consistent during long gaming or rendering sessions. The 140mm blade surface moves ample air at lower rotational speeds. Builders who need fixed high-static-pressure operation for dense radiators should note the design prioritises balanced airflow.

Black frame with ARGB connector

The all-black housing blends into dark interiors while the integrated ARGB LEDs connect to a standard 5V 3-pin header for software synchronisation. Mounting uses standard 140mm screw holes compatible with common chassis and radiator brackets. Users without an ARGB header or controller cannot activate the lighting effects.

Puntos fuertes

  • 140mm size moves more air at lower RPM
  • PWM control adjusts speed to match thermal load
  • ARGB lighting syncs with motherboard software
  • Single fan kit fits standard 140mm mounts
  • Black frame blends into dark-themed builds

Especificaciones

Brandbe quiet!
SeriesLIGHT WINGS LX 140mm PWM
ModelBL126
Fan Counts1 Fan
TypeCase Fan
Fan Size140mm
ColorBlack
LEDARGB
Peso de envío0.23 kg
Dimensiones del paquete178 × 127 × 25 mm

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Preguntas sobre este artículo

How loud does the 140mm LIGHT WINGS LX run at full PWM speed?

The 140mm frame and PWM control let the BL126 move air at lower RPM, so noise stays low even under sustained load.

Does the BL126 need a 5V ARGB header and a 4-pin PWM header on the motherboard?

Yes, the ARGB lighting requires a 5V addressable header and the fan motor needs a standard 4-pin PWM header to operate.

Can the 140mm BL126 share a PWM curve with older 3-pin fans on the same controller?

The BL126 uses 4-pin PWM control, so it follows a PWM curve; 3-pin fans on the same header will run at fixed voltage instead.

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