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be quiet!

be quiet! Light Wings 140mm PWM Low Noise Premium ARGB Cooling Fan | 4-Pin | 3-Pack | Black | BL078

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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Feb 10
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Size: 140mm PWM


Color: Black


Number of Items: 3


Features

  • Three fans included and one HUB
  • ARGB lighting on front and rear
  • Multiple colors and modes for an individual look thanks to 20 LEDs
  • ARGB Hub allows synchronization of up to six ARGB components
  • Seven silence-optimized fan blades for high airflow and low noise-generating turbulences

Description

Three Light Wings 140mm PWM offer impressive illumination for a vibrant unique look, strong performance and quiet operation with efficient cooling. • Three fans included • ARGB lighting on front and rear • Multiple colors and modes for an individual look thanks to 20 LEDs • ARGB Hub allows synchronization of up to six ARGB components • Seven silence-optimized fan blades for high airflow and low noise-generating turbulences • Very quiet operation with max. 23.3dB(A) • Long life rifle-bearing gives an operating lifetime of 60,000 hours • PWM fan speed controlled by the motherboard • Three-year manufacturer’s warranty • Product conception, design and quality control in Germany

Product Dimensions: 5.51"L x 5.51"W x 0.98"H


Brand: be quiet!


Power Connector Type: 4-Pin


Voltage: 12 Volts


Wattage: 3.9 watts


Cooling Method: Fan


Compatible Devices: Radiator


Noise Level: 23.3 Decibels


Material: Copper


Maximum Rotational Speed: 1500 RPM


Product Dimensions: ‎5.51"L x 5.51"W x 0.98"H


Brand: ‎be quiet!


Power Connector Type: ‎4-Pin


Voltage: ‎12 Volts


Wattage: ‎3.9 watts


Cooling Method: ‎Fan


Compatible Devices: ‎Radiator


Noise Level: ‎23.3 Decibels


Material: ‎Copper


Maximum Rotational Speed: ‎1500 RPM


Air Flow Capacity: ‎56 Cubic Feet Per Minute


Global Trade Identification Number: ‎28


Manufacturer: ‎be quiet!


Number of Items: ‎3


Item Weight: ‎0.705 ounces


Language: ‎French


Item model number: ‎BL078


Date First Available: ‎November 8, 2021


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Feb 10

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View our full returns policy here.

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Top Amazon Reviews

    • Be Quiet out performs my expectations once again.
Size: 120mm PWM High Speed Color: Black Number of Items: 1
Be Quiet! Light Wings 120mm PWM: Silent Symphony with a Touch of RGB Flair Overall Rating: 4.5 out of 5 stars For: Silent PC enthusiasts, RGB lovers seeking low noise, case fan and radiator upgrade seekers Against: Limited ARGB control options, higher price than some non-RGB alternatives Performance: 5 out of 5 stars Be Quiet! lives up to its name with the Light Wings 120mm PWM. It delivers exceptional cooling performance while remaining whisper-quiet. Even at its maximum 1700 RPM, the noise level stays incredibly low, making it a dream for silent PC builds. The airflow optimization ensures efficient heat dissipation, making it suitable for both air coolers and radiators. Features: 4 out of 5 stars The Light Wings 120mm boasts a robust build quality with a sleek black design. The included PWM control allows for flexible fan speed adjustments based on your needs. The highlight, of course, is the vibrant ARGB lighting that adds a touch of personal flair to your PC. However, unlike other RGB fans, the control options are limited to the included hub, lacking software control or integration with major motherboard ecosystems. Value: 4 out of 5 stars While the Light Wings 120mm falls on the pricier side compared to some non-RGB fans, its exceptional quietness and build quality justify the premium. If you value silence and want a touch of RGB without sacrificing performance, it's a worthwhile investment. Things to Consider: Limited ARGB Control: No software control or motherboard integration for the lights, relying solely on the included hub. Higher Price: More expensive than some non-RGB alternatives with similar performance. Black Design: Might not be ideal for builds with different color schemes. Final Verdict: The Be Quiet! Light Wings 120mm PWM is a remarkable achievement in balancing powerful cooling with near-silent operation. Its sleek design, vibrant ARGB lighting, and robust build quality make it a top choice for silent PC enthusiasts and RGB lovers alike. While the limited ARGB control and higher price tag are minor drawbacks, its overall performance and quality shine through. If you prioritize silence and want a touch of RGB magic in your PC, the Light Wings 120mm PWM is a worthy addition to your symphony of silence. ... show more
Reviewed in the United States on January 11, 2024 by Dylin
    • Beautiful RGB lighting and they are reasonably priced.
Size: 140mm PWM Color: Black Number of Items: 3
These fans have beautiful RGB lighting and they are reasonably priced. This was a 3 pack, and I installed the three fans in the bottom of my Be Quiet! 900FX Case for intake fans. I wish I could find them in a reverse fan blade. The fans look great and work great! They are quiet and easy to install.
Reviewed in the United States on October 23, 2025 by Kevin Cureton
    • Insanely Silent
Size: 140mm PWM High Speed Color: White Number of Items: 3
This is insanely silent versus the thermaltake I was using for about a year. I replace only the fans, in the future I will replace the whole system with this bran which even offers refill conector to the coolers. LED light are not so bright or cool but who care I preffer solid build quality instead. This double the weight of my olds ones. I think that is related to the better quality. It has a ARGB box which leave you to conect more light from your pc, I'd like if that was extended to the fans because it does not have daisy chain to conect one to the next one and the last one to the mother board. You will need to conect each one direct to your mother board and maybe need an aditional extension cable. This is a good product. ... show more
Reviewed in the United States on January 8, 2026 by Osmel Ruiz Barrientos
    • Good balance of aesthetics and performance.
Size: 120mm PWM High Speed Color: Black Number of Items: 3
I'm generally iffy on RGB lighting in computers, but do like it as an accent in a few places. The light ring style makes an excellent accent, especially when contrasted against the angular nature of most PC components. They provide overall less lighting in total unless you set them to just straight white, so your case doesn't look fully lit, keeping the contrast between light and dark, emphasizing the rings themselves, which I find very attractive. When I do run white, I set them to about 35% brightness. They also tend a little blue, so you may need to adjust the blue channel down a bit more than green and red if you want a pure white, but most RGB components have similar issues. I'm terms of performance, trading the few millimeters at the outside edge of the fan for the light ring probably costs a bit of airflow performance, but these seem competitive with even most non-RGB fans. They won't match BeQuiet's own Silent Wings Pro 4, Noctua's NF-A12, or Phanteks' T30, but they are at on par with many decent fans. The noise isn't super quiet when you get to the high RPMs, but it's a very unobtrusive pitch that's quickly drowned out by the audio you *want* to hear from your PC. ... show more
Reviewed in the United States on January 15, 2025 by Dekatris
    • be quite! Greatest PC building fans for your next build! Super quite and produces a lot of air!
Size: 140mm PWM High Speed Color: Black Number of Items: 3
be quite! is the greatest engineered company in the world for high end thermal controls for your computer. These fans are not only great for air cooling of your PC. They are extremely beautiful ARGB! I love them!
Reviewed in the United States on July 19, 2025 by Scott R Smith

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