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Black 120mm case fan with frosted blades and illuminated hub, ARGB lighting, 25mm thick

be quiet!

be quiet! BL123 LIGHT WINGS LX 120mm 2100 RPM ARGB case fan

SKU CH-XMRK-5XNVX MPN BL123

A 120mm PWM case fan delivering 61.8 CFM airflow at 2100 RPM with 16 ARGB LEDs and a 60,000-hour rifle bearing

  • Fan Counts1 Fan
  • TypeCase Fan
  • Fan Size120mm
  • Fan Thickness25mm
  • Bearing TypeRifle
  • RPM2100 RPM

Fan Size 120mm

Model LIGHT WINGS LX PWM high-speed

Option Single Pack

  • Illuminated hub and frosted blades create striking ARGB effects with 16 LEDs
  • Nine optimised blades deliver high static pressure of 2.51 mmH2O
  • Closed-loop motor maintains 2100 RPM under resistance for consistent airflow
  • Rifle bearing rated for 60000 hours ensures long-term reliability
  • Low starting speed keeps noise down to 30.9 dBA during quiet operation

Illuminated 120mm PWM case fan

The be quiet! LIGHT WINGS LX BL123 is a 120mm case fan built for systems where visible ARGB lighting is a priority. Its illuminated hub and frosted blades distribute light from 16 addressable LEDs across the rotor. A 4-pin PWM connector allows motherboard speed control from low idle to the 2100 RPM maximum. The rifle bearing is rated for 60000 operating hours.

Builders who want strong airflow with vivid lighting

This fan suits enthusiasts assembling showcase builds that rely on coordinated ARGB effects through the daisy-chain cable. It delivers 61.8 CFM airflow and 2.51 mmH2O static pressure for radiators or restrictive mesh panels. Buyers needing near-silent operation below 30.9 dBA or a thicker 25mm profile for tight clearances should consider other models.

Sustained high-speed cooling behaviour

The closed-loop motor maintains the target 2100 RPM under increasing back-pressure, so airflow stays consistent during extended gaming or rendering sessions. Nine optimised blades preserve the 2.51 mmH2O pressure curve without stalling. Noise rises to the rated 30.9 dBA at full load but remains steady because the rifle bearing avoids speed drift over time.

Pontos fortes

  • Illuminated hub and frosted blades create striking ARGB effects with 16 LEDs
  • Nine optimised blades deliver high static pressure of 2.51 mmH2O
  • Closed-loop motor maintains 2100 RPM under resistance for consistent airflow
  • Rifle bearing rated for 60000 hours ensures long-term reliability
  • Low starting speed keeps noise down to 30.9 dBA during quiet operation

Especificações

Brandbe quiet!
SeriesLIGHT WINGS LX 120mm PWM high-speed
ModelBL123
Fan Counts1 Fan
TypeCase Fan
Fan Size120mm
Fan Thickness25mm
Bearing TypeRifle
RPM2100 RPM
Air Flow61.8 CFM
Air Pressure2.51 mmH2O
Noise Level30.9 dBA
Power Connector4-pin PWM
ColorBlack
LEDARGB
Dimensions120 x 120 x 25mm
Peso de envio0.23 kg
Dimensões da embalagem152 × 127 × 25 mm

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Perguntas sobre este artigo

Does my motherboard need a 4-pin PWM header to control this fan?

Yes, the fan uses a 4-pin PWM power connector for speed control and requires a compatible motherboard header or fan controller.

Can I daisy-chain multiple BL123 fans on one ARGB header?

The included ARGB cable supports daisy-chaining, so several fans can share a single 5 V 3-pin motherboard header or controller.

How do I verify the fan is running at its rated 2100 RPM after installation?

Monitor the RPM reading in BIOS or fan-control software; it should report close to 2100 RPM under full PWM duty cycle.

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