be quiet! Pure Wings 3 140mm | PWM high-speed Triple Pack

140 mm · PWM

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Screen size 140 mm
Type PWM

be quiet! Pure Wings 3 140mm | PWM high-speed Triple Pack is a case fan from be quiet!, with screen size 140 mm, type PWM. It came out in 2025.

Released: 2025-10-10

Specifications

Key specs

Screen size: 140 mm
Type: PWM
Released: 2025-10-10
Part number: BL138
EAN / UPC: 4260052193846

Performance

Suitable location: Computer case
Type: Fan
Fan diameter: 14 cm
Rotational speed (max): 1800 RPM
Noise level (high speed): 30.5 dB
Maximum airflow: 72.2 cfm
Airflow: 122.6 m³/h
Maximum air pressure: 2.44 mmH2O
Pulse-width modulation (PWM) support: Yes
Bearing type: Rifle bearing
Quantity per pack: 3 pc(s)
Fan's mean time to failure (MTTF): 80000 h

Design

Product colour: Black
Number of fans: 1 fan(s)
Fan connector: 4-pin
Display type: Not applicable
Certification: RU

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Power

Voltage: 5 - 13.2 V
Rated voltage: 12 V
Fan power consumption: 6 W
Fan current: 0.5 A

Weight & dimensions

Height: 140 mm
Fan dimensions (W x D x H): 140 x 140 x 25 mm
Fan weight: 188 g
Cable length: 0.46 m

Technical details

Warranty period: 3 year(s)
Sustainability certificates: Triman
Compliance certificates: CE, RoHS, UKCA, WEEE

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About this product

PURE WINGS 3

140mm PWM HS 3-Pack

PERFORMANT, PROGRESSIVE, QUIET

Pure Wings 3 140mm PWM high-speed Triple Pack is the perfect addition to demanding PCs with extraordinarily high performance and progressive features such as a speed-regulating closed loop motor.

INNOVATIVE TECHNOLOGY

Closed loop motor for persistent rpm Pure Wings 3 140mm PWM high-speed Triple Pack features a closed loop motor. This technology is comparable with the cruise control in cars. When working against resistance, for example a fan grill or radiator, fans spin slower as a result. The closed loop motor technology constantly monitors the current fan speed and increases it to the target rpm, if necessary. As a result, Pure Wings 3 140mm PWM high-speed Triple Pack always operates at the desired speed, no matter the resistance.

OPTIMIZED TO THE MAX

For unprecedented air pressure in its class The fan frame outlet is newly designed to minimize air leaks. This benefits especially the radiator performance of Pure Wings 3 140mm PWM high-speed Triple Pack.

Datasheet (PDF)