be quiet!

be quiet! Pure Wings 3 140mm Quiet PWM High-Speed Case Fan

Name: be quiet! Pure Wings 3 140mm Quiet PWM High-Speed Case Fan | Speed-regulating Closed Loop Motor| Extraordinary Air Pressure | BL109
Brand: be quiet!
SKU: B0CM43L3J9

Status: be quiet! Pure Wings 3 140mm Quiet PWM…: Unavailable on Amazon as of 2026-10-20 16:25 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The be quiet! Pure Wings 3 140mm Quiet PWM High-Speed Case Fan: 80,000-hour rifle bearing rated lifetime; main trade-off: high-speed variant gets audible near max rpm.

Unavailable on Amazon as of 2026-10-20 16:25 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

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. About the author →

Pros & Cons

Pros

✓ 80,000-hour rifle bearing rated lifetime
✓ PWM speed-regulating closed-loop motor
✓ 7 airflow-optimized blades tuned for radiators
✓ Very low minimum rpm for near-silent idle

Cons

✗ High-speed variant gets audible near max rpm
✗ 140mm only in this BL109 listing, no 120mm
✗ No RGB or addressable lighting
✗ Sold as a single fan, not a multipack

SpecPicks Verdict

SpecPicks scored be quiet! Pure Wings 3 140mm Quiet PWM High-Speed Case Fan using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. be quiet!'s cooling & fans 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 cooling & fans 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

OPTIMIZED FRAME: The fan frame outlet designed for peak performance on radiators
AIRFLOW: 7 airflow-optimized fan blades not only reduce noise, but ensure performance under demanding configurations
QUIET PERFORMANCE: Pure Wings 3 can be operated with very low minimum rpm for very quiet operation
LONG BEARING LIFE: Long life rifle bearing gives an operating lifetime of 80,000 hours
German Design | German Engineering | German Quality | German Performance

Full Specifications

Brand	be quiet!
Model	BL109
AIRFLOW	7 airflow-optimized fan blades not only reduce noise, but ensure performance under demanding configurations
Voltage	12 volts
Wattage	6 watts
Material	Copper
Unit Count	1 Count
Noise Level	30.5 db
Part Number	BL109
Material Type	Copper
Cooling Method	Air
Number of Items	1
OPTIMIZED FRAME	The fan frame outlet designed for peak performance on radiators
Air Flow Capacity	72.2 cfm
LONG BEARING LIFE	Long life rifle bearing gives an operating lifetime of 80,000 hours
QUIET PERFORMANCE	Pure Wings 3 can be operated with very low minimum rpm for very quiet operation
Compatible Devices	Desktop, Server
Power Connector Type	4-Pin
Maximum Rotational Speed	1800 rpm
Item Dimensions L x W x H	6.1"L x 4.72"W x 4.72"H
Full listing title	be quiet! Pure Wings 3 140mm Quiet PWM High-Speed Case Fan \| Speed-regulating Closed Loop Motor\| Extraordinary Air Pressure \| BL109

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