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Three black 120mm case fans with frosted blades and illuminated hubs, ARGB lighting, triple pack

be quiet!

be quiet! BL121 LIGHT WINGS LX 120mm PWM ARGB Case Fan Triple Pack

SKU CH-3S56-XSEWD MPN BL121

Three 120mm PWM fans with ARGB lighting deliver 51.5 CFM airflow and 25.5 dBA noise

  • Fan Counts3 Fans
  • TypeCase Fan
  • Fan Size120mm
  • Fan Thickness25mm
  • Bearing TypeRifle
  • RPM1600 RPM

Fan Size 120mm

Model LIGHT WINGS LX PWM

Option Triple Pack

  • Single Pack
  • Triple Pack

Le versioni barrate esistono, ma non sono disponibili qui.

  • Three-fan bundle simplifies ARGB cooling builds
  • Illuminated hub with 16 LEDs lights frosted blades for vivid effects
  • 7 optimised blades deliver 51.5 CFM airflow at 1.34 mmH2O pressure
  • Rifle bearing rated for 60000 hours ensures long service life
  • 4-pin PWM runs as low as 25.5 dBA for quiet operation

Triple pack of 120mm ARGB case fans

The be quiet! BL121 LIGHT WINGS LX triple pack delivers three 120mm PWM fans with addressable RGB lighting for system builders who value coordinated illumination and airflow. Each fan features 16 LEDs shining through frosted blades and an illuminated hub to create a uniform visual effect across the case interior. The rifle bearing is rated for 60000 hours of operation.

Check 4-pin PWM headers

Verify that your motherboard or fan hub provides enough 4-pin PWM headers for three fans or plan for a splitter cable to manage power and speed control. The ARGB connection uses a daisy-chain cable so a single 5V 3-pin ARGB header can drive the lighting for all three units. Ensure your case has mounting points for 120mm fans with 25mm thickness before ordering.

Sustained airflow at 1600 RPM with 25.5 dBA noise

At full speed the fans move 51.5 CFM while generating 1.34 mmH2O of static pressure, maintaining consistent cooling performance during extended workloads. The low starting RPM allows quiet operation at reduced loads without stalling, and the rifle bearing maintains stable acoustics over long sessions. This balance suits radiators or restrictive meshes where steady pressure matters more than peak burst speed.

Punti di forza

  • Three-fan bundle simplifies ARGB cooling builds
  • Illuminated hub with 16 LEDs lights frosted blades for vivid effects
  • 7 optimised blades deliver 51.5 CFM airflow at 1.34 mmH2O pressure
  • Rifle bearing rated for 60000 hours ensures long service life
  • 4-pin PWM runs as low as 25.5 dBA for quiet operation

Caratteristiche tecniche

Brandbe quiet!
SeriesLIGHT WINGS LX 120mm PWM
ModelBL121
Fan Counts3 Fans
TypeCase Fan
Fan Size120mm
Fan Thickness25mm
Bearing TypeRifle
RPM1600 RPM
Air Flow51.5 CFM
Air Pressure1.34 mmH2O
Noise Level25.5 dBA
Power Connector4-pin PWM
ColorBlack
LEDARGB
Dimensions120 x 120 x 25mm
Peso di spedizione0.45 kg
Dimensioni del pacco152 × 127 × 76 mm

Altre versioni di questo modello

altri 5 nella stessa gamma

Stessa famiglia, con memoria, dissipatore o frequenza diversi — confronti prima di decidere.

Domande su questo articolo

Does the triple pack include the ARGB daisy-chain cables or must they be purchased separately?

The three fans ship with ARGB connection cables that support daisy chaining, so no extra cables are needed.

How do the 1600 RPM maximum speed and 1.34 mmH2O pressure help me choose between this triple pack and a single fan?

Each fan delivers 51.5 CFM airflow at 25.5 dBA, so the triple pack simply multiplies that cooling capacity across three mounting points.

What does the 25.5 dBA noise rating mean once all three fans are running inside a case?

At full speed the trio produces a combined sound level around 25.5 dBA, which is barely audible in a typical system.

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