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be quiet! Light Wings 140mm PWM High Speed Low Noise Premium ARGB Cooling Fan | 4-Pin | Ideal for Radiators and Heat Sinks | Black | BL075
be quiet!

be quiet! Light Wings 140mm PWM High Speed Low Noise Premium ARGB Cooling Fan

Bottom line: The be quiet! Light Wings 140mm PWM High Speed Low Noise ARGB Cooling Fan: 20 ARGB LEDs on both front and rear frames, not just a single lit ring.

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ 20 ARGB LEDs on both front and rear frames, not just a single lit ring
  • ✓ 31dB(A) at full 2,200rpm - quiet for a high-speed 140mm fan
  • ✓ Nine silence-optimized blades built for radiator and heat sink static pressure
  • ✓ Rifle bearing rated for 60,000 hours of operating life

Cons

  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

The be quiet! Light Wings 140mm PWM High Speed is built for builders who want ARGB lighting without trading away acoustics. Twenty LEDs split across the front and rear frames give you full-depth illumination rather than a single lit ring, and the lighting syncs directly with your motherboard's ARGB header so it falls in line with the rest of your build. Nine silence-optimized blades generate the static pressure you need to push air through dense radiator fins and CPU heat sink stacks, while keeping turbulence noise down: be quiet! rates the fan at 31dB(A) at its full 2,200rpm ceiling. The…

SpecPicks Verdict

SpecPicks scored be quiet! Light Wings 140mm PWM High Speed Low Noise ARGB Cooling Fan using a rating × review-volume × price-fit model applied to published specs and reviews across the PC & gaming hardware category. be quiet!'s PC & gaming hardware lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for PC & gaming hardware of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • ARGB lighting on front and rear
  • Multiple colors and modes for an individual look thanks to 20 LEDs
  • Nine silence-optimized fan blades for high pressure and low noise-generating turbulences
  • Remarkable performance-to-noise ratio with 31dB(A) at 2,200rpm
  • Long life rifle-bearing gives an operating lifetime of 60,000 hours

Full Specifications

Brandbe quiet!
ModelBL075
Voltage12 volts
Wattage4.7 watts
MaterialCopper
Set NamePWM High-Speed
Unit Count1 Count
Noise Level31 db
Part NumberBL075
Material TypeCopper
Cooling MethodFan
Number of Items1
Air Flow Capacity71.7 cfm
Compatible DevicesDesktop
Included ComponentsFan
Power Connector Type4-Pin
Warranty Description1 year
Maximum Rotational Speed2200 rpm
Item Dimensions L x W x H5.51"L x 5.51"W x 0.98"H
Global Trade Identification Number04260052188798
Full listing titlebe quiet! Light Wings 140mm PWM High Speed Low Noise Premium ARGB Cooling Fan | 4-Pin | Ideal for Radiators and Heat Sinks | Black | BL075

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be quiet! Light Wings 140mm PWM High Speed Low Noise Premium ARGB Cooling Fan | 4-Pin | Ideal for Radiators and Heat Sinks | Black | BL075 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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