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be quiet! Light Wings 140mm PWM ARGB Case Fan 1500 RPM 56 CFM 20 LEDs Rifle Bearing 4-Pin PWM Daisy-Chain Black

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be quiet!
be quiet! Light Wings Case fan PWM 140 mm black BL074
be quiet! Light Wings 140mm PWM ARGB Case Fan 1500 RPM 56 CFM 20 LEDs Rifle Bearing 4-Pin PWM Daisy-Chain Black
€40.85 inc. VAT
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BL074
€34.33
€40.85 inc. VAT
Ships from EU stock: 4 item(s)
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Product Code
04:388389
EAN Code
4260052188781
Manufacturer
be quiet!
Quick Specs
Size
140 × 140 × 25 mm
Max Speed
1500 RPM · 56 CFM
Lighting
20 ARGB LEDs (5V 3-pin)
Noise
23.3 dB(A)
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be quiet! · ARGB PWM Case Fan

Light Wings 140mm PWM — Black

20 ARGB LEDs1500 RPM56 CFM3-Year Warranty

The be quiet! Light Wings 140mm PWM is a black 140 mm ARGB case fan with 20 addressable LEDs lighting the front and rear, reaching 1500 RPM and 56 CFM at 23.3 dB(A), for gamers who want quiet cooling with eye-catching lighting. Its part number is BL074; it uses a 4-pin PWM fan connector, a separate 5V 3-pin ARGB connector and a rifle bearing, with a 3-year be quiet! warranty.

Typically in stock with fast delivery across Cyprus.

Compatibility note: Two connectors: a 4-pin PWM plug for a motherboard fan header and a 3-pin 5V ARGB plug for a motherboard ARGB (5V/D/G) header or ARGB controller — never connect it to a 4-pin 12V RGB header. This single fan ships with screws only; the be quiet! ARGB hub is included only with 3-packs. Needs a 140 mm mounting position.
Best For
✓ RGB gaming PCs
✓ Glass-panel showcase builds
✓ Front intake or rear exhaust
✓ Quiet everyday cooling
✓ Matching be quiet! Light Wings setups
✓ Motherboard ARGB sync

Key Features

 
Addressable RGB Lighting
20 individually addressable LEDs illuminate the front and rear and sync with motherboard ARGB software through the 5V 3-pin connector.
 
Quiet Performance
7 blades move 56 CFM at just 23.3 dB(A) for quiet everyday cooling.
 
Rifle Bearing
A rifle bearing rated for 60,000 hours at 25 °C keeps running noise low and delivers a long service life.
 
PWM Speed Control
The 4-pin PWM connector lets the motherboard adjust speed automatically, from quiet idle to full 1500 RPM under load.

Technical Specifications

Identification
Brand be quiet!
Model Light Wings 140mm PWM
Part Number BL074
EAN / GTIN 4260052188781
MPN BL074
General
Product Type ARGB case fan — PWM
Series be quiet! Light Wings
Colour Black
Dimensions 140 × 140 × 25 mm
Weight 241 g
Performance
Max Speed 1500 RPM
Airflow 56 CFM (95.1 m³/h)
Static Pressure 1.49 mmH2O
Noise Level 23.3 dB(A) at 100% PWM
Fan Blades 7 blades
Lighting
LEDs 20 addressable RGB LEDs (front and rear)
Lighting Connector 3-pin 5V ARGB — for motherboard ARGB headers or controllers
LED Current 0.67 A at 5 V
Daisy-Chain Compatible (per be quiet!)
Electrical & Build
Fan Connector 4-pin PWM — automatic speed control
Rated Voltage 12 V (operating range 5–13.2 V)
Bearing Rifle bearing — quiet, long-life sleeve-type bearing
Lifespan 60,000 h at 25 °C
Motor 4-pole
Zero RPM Mode Not supported
Cable Length 500 mm
Package & Warranty
In the Box 1 × fan, 4 × screws (no ARGB hub)
Warranty 3 years (manufacturer)

Frequently Asked Questions

Does the be quiet! Light Wings 140mm PWM work with my motherboard RGB?
Yes, if your motherboard has a 3-pin 5V ARGB (addressable) header — the fan then syncs with software such as ASUS Aura, MSI Mystic Light or Gigabyte RGB Fusion. It is not compatible with 4-pin 12V RGB headers.
Is the Light Wings 140mm PWM suitable for radiators?
It is tuned for quiet case airflow (1.49 mmH2O). For radiators, the Light Wings high-speed version offers more pressure.
What is the difference between the Light Wings 140mm PWM and the Light Wings 140mm PWM High-Speed (BL075)?
The standard Light Wings 140mm PWM runs at up to 1500 RPM, 56 CFM and 1.49 mmH2O at 23.3 dB(A) with 7 blades, while the high-speed version uses 9 blades to reach 2200 RPM, 71.7 CFM and 2.3 mmH2O at 31 dB(A). Both have 20 ARGB LEDs.
What do I need to know before buying the Light Wings 140mm PWM?
It is a single fan with screws only: you need a free 4-pin fan header and a 5V ARGB header (or a splitter/controller) for each fan. The be quiet! ARGB hub comes only with the 3-packs. Warranty is 3 years.
Singular Expert Insight
Light Wings is the be quiet! line for builders who want ARGB without giving up low noise. If you need more airflow or radiator pressure, step up to the high-speed version. Planning several fans? A 3-pack with the included ARGB hub is usually better value, and the newer Light Wings LX adds more lighting. Browse all case fans to compare.

Buyer's Guide

Buy it if
You want a 140 mm ARGB fan with 20 LEDs, quiet rifle-bearing operation and 56 CFM.
Skip it if
Your motherboard has only 12V 4-pin RGB headers, or you want a fluid-dynamic bearing and 5-year warranty (see Silent Wings 4).
Also consider
be quiet! Light Wings 3-packs with ARGB hub, Light Wings LX, or Silent Wings 4 for silence without lighting.

Features - be quiet! - BL074

Colour
black
More Details
Product Code
04:388389
EAN Code
4260052188781
Manufacturer
be quiet!
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