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  6. Item#: 1YF-001D-000R7

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be quiet! Pure Wings 3 140mm PWM Case Fan, 1200 RPM, 21.9 dBA, 57.4 CFM, 4-Pin PWM, Rifle Bearing, Black, BL108

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  • 120 mm PWM
  • 120mm PWM high-speed
  • 140mm high-speed
  • 140mm PWM
  • Fan size: 140 x 140 x 25 mm
  • Fan speed: 1200 RPM at 100% PWM / 12V
  • Noise level: 21.9 dBA at 100% PWM / 12V
  • Airflow: 57.4 CFM (97.5 m3/h)
  • Static pressure: 0.96 mmH2O
  • Connector: 4-pin PWM, 460 mm cable
  • Bearing: rifle bearing with oil circulation
  • Lifespan: 80,000 hours at 25 degrees C
  • Blades: 7, with adjusted blade angles for higher air pressure
  • Frame designed for case and radiator mounting
  • Low minimum RPM for quiet operation at idle
  • Rated voltage: 12V DC (operating range 5 to 13.2V)
  • Input current: 0.06A; input power: 3.6W
  • Weight: 180 g
  • Color: black
  • Included: 4 mounting screws
  • Warranty: 3 years
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Overview
Specs
Reviews (44)
Performant, Progressive, Quiet

With low minimum rpm and high top-end speed, Pure Wings 3 140mm PWM are the perfect addition to PCs for any application.

PURE WINGS 3 | 140mm PWM
Optimized Fans
Optimized Fans

The fan frame outlet is designed to minimize air leaks. This benefits especially the radiator performance of Pure Wings 3 140mm PWM. To reach even higher performance, the fan blades are optimized as well: Their angle is adjusted to achieve even more air pressure, adding up to the extraordinary performance of Pure Wings 3 140mm PWM.

Fan blades for high airflow
Fan blades for high airflow

With optimization for maximum airflow, Pure Wings 3 140mm PWM is the right choice for any case configuration that demands high cooling performance. Its 7 airflow-optimized fan blades not only reduce noise-generating turbulences but also ensure Pure Wings 3 140mm PWM provides the performance that is needed, even in demanding configurations.

Iconic Design
Iconic Design

Pure Wings 3 140mm trims all the fat. Every part and single detail contribute to the functionality and uncompromising performance. This has also been considered in the design of the fan. All outlines and angles serve a purpose, making Pure Wings 3 140mm a timeless classic and elegant addition to every gaming PC.

Rifle Bearing Technology
Rifle Bearing Technology

Pure Wings 3 140mm PWM is built to last. With the proven rifle bearing technology, on average, this fan offers a lifespan of 80,000 hours.

Progressive Quiet Performance.
With low minimum rpm and high top-end speed, Pure Wings 3 140mm PWM are the perfect addition to PCs for any application.
The fan offers outstanding reliability and makes for a long-lasting, companion for your gaming system.
Optimized fan frame for outstanding performance on radiators
Newly designed fan blades and re-arranged angle for extraordinary air pressure Pure Wings 3 140mm PWM can be operated with very low minimum rpm for very quiet operation
Long life rifle bearing gives an operating lifetime of 80,000 hours
Product conception, design and quality control in Germany

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

  • Return for refund within: 30 days
  • Returns are subject to restocking fees and return shipping fees. Please click here to learn more about restocking fees and return shipping fees.
  • This item is covered by Newegg.com's International Order Return Policy.
  • Read full return policy for details.
  • *Subject to applicable law

  • Warranty Notice:

    This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

Manufacturer Contact Info

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The be quiet! Pure Wings 3 BL108 is a 140mm PWM case fan suited to desktop builders who want quiet, adjustable airflow for a PC case or compatible radiator. Its rifle bearing is rated for an 80,000-hour operating lifetime.

Recommended For

  • Quiet-focused gaming PC builders with 140mm mounts who want PWM-controlled intake or exhaust airflow that can run at low speeds during lighter use.
  • Home-office and everyday PC users who want a restrained, non-LED case fan and prefer low-noise airflow over lighting or a high-speed fan profile.
  • Budget-conscious PC builders adding a single 140mm PWM fan for standard case airflow who want a tested, mainstream option rather than a premium feature set.
  • Builders using a 140mm fan on a lightly restricted airflow path or radiator who want PWM speed control and do not need the higher pressure profile of the high-speed model.

Real-World Use Scenarios

  • Adding front intake to a 140mm-compatible desktop case: the fan brings fresh air into the case for the CPU and graphics card, and its PWM control lets the system adjust airflow as temperatures change.
  • Keeping a PC quieter during everyday work or light use: set a low PWM fan curve so the fan can run slowly when the system does not need much cooling, then increase airflow as temperatures rise.
  • Improving case airflow for gaming or other sustained workloads: use it as an intake or exhaust fan to move warm air through the case; PWM allows the fan speed to respond to higher cooling demand.
  • Replacing a stock case fan in a system that prioritizes airflow over lighting: the black, non-LED 140mm fan can serve as a straightforward case-cooling replacement, provided the case supports that fan size.
  • Using it on a compatible radiator: it can provide airflow through a radiator, but the standard-speed BL108 is better suited to moderate-resistance setups than situations that demand especially high static pressure.

Spec Summary

AttributeValue
Best ForDesktop case cooling with a 140 mm fan and 4-pin PWM connection
Fan Performance1200 RPM, 55–60 CFM airflow, and 21.9 dBA at maximum RPM
Fan DesignOne black, non-LED fan with a rifle bearing and plastic construction
Power And Connection4-pin PWM connector; 12 V and 3.6 W
Model Identifiersbe quiet! BL108