be quiet!
be quiet! Pure Wings 2 140mm Premium Low Noise Cooling Fan | Black | BL047
Status: be quiet! Pure Wings 2 140mm Premium Low Noise…: Unavailable on Amazon as of . 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.
Bottom line: The be quiet! Pure Wings 2 140mm Premium Low Noise Cooling Fan: Only 18.8 dB(A) at maximum speed - quieter than most stock case fans; main trade-off: no PWM or RPM figures published in the listing - check before fan-curve tuning.
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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:
Similar: be quiet! Pure Base 501 DX White PC case — $94.90 on Amazon as of 2026-10-20 20:20 UTC (price may vary).
Similar: be quiet! Pure Base 501 Airflow Black ATX Case — $99.90 on Amazon as of 2026-10-20 20:20 UTC (price may vary).
Similar: be quiet! Pure Base 501 Black ATX Case — $99.90 on Amazon as of 2026-10-20 20:20 UTC (price may vary).
Pros & Cons
Pros
- ✓ Only 18.8 dB(A) at maximum speed - quieter than most stock case fans
- ✓ Rifle bearing rated 80,000 hours, over 9 years of continuous operation
- ✓ Nine airflow-optimized blades cut noise-generating turbulence
- ✓ 3-year be quiet! manufacturer's warranty
Cons
- ✗ No PWM or RPM figures published in the listing - check before fan-curve tuning
- ✗ Rifle bearings are orientation-sensitive compared to fluid-dynamic designs
- ✗ Plain black blades with no RGB or accent lighting
- ✗ 140mm size won't fit cases limited to 120mm mounts
Manufacturer description
The be quiet! Pure Wings 2 140mm brings the brand's silent-cooling engineering down to an entry-level price, and it does it without the acoustic compromise most budget case fans force on you. Nine airflow-optimized blades are shaped to break up the turbulence that generates noise, so you get usable static pressure and airflow while the fan tops out at just 18.8 dB(A) at maximum speed. That figure is the headline: even in a case with several of these spinning flat out, the fan noise sits below the threshold where most builders notice it over their GPU or PSU. Durability backs up the…
SpecPicks Verdict
SpecPicks scored be quiet! Pure Wings 2 140mm Premium Low Noise Cooling Fan using a rating × review-volume × price-fit model applied to published specs and reviews across the pc cases category. be quiet!'s pc cases 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 cases 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.
Frequently Asked Questions
How loud is the be quiet! Pure Wings 2 140mm?
It operates at 18.8 dB(A) even at maximum speed, which is why be quiet! markets it as a low-noise fan. That is quiet enough to disappear behind most GPU and PSU noise in a closed case.
How long will this fan last?
The rifle bearing is rated for an 80,000-hour operating lifetime, which be quiet! states is more than 9 years of continuous running. It is covered by a 3-year manufacturer's warranty.
Does the Pure Wings 2 140mm come with a warranty?
Yes, be quiet! includes a 3-year manufacturer's warranty. Check the product listing for current warranty registration and claim details.
Is this fan good enough for a gaming PC?
be quiet! positions the Pure Wings 2 for entry-level computing but states it is also appropriate for gaming and multimedia systems.
Is it PWM or 3-pin, and does it have RGB?
The listing does not specify the connector type or speed control method, so check the product page before planning a fan curve. It is a plain black fan with no lighting.
Key Features
- AIRFLOW OPTIMIZED: 9 airflow-optimized fan blades that reduce noise-generating turbulence
- LONG LIFE: Rifle bearing gives an operating lifetime of 80,000 hours
- QUIET PERFORMANCE: Even at maximum speed, operates at only 18.8 dB(A)
- PROVEN RELIABILITY: German design, engineering, quality and performance
- WARRANTY: 3-year manufacturer’s warranty
Full Specifications
| Brand | be quiet! |
|---|---|
| Model | BL047 |
| Voltage | 18 volts |
| Wattage | 120 watts |
| Material | Copper |
| WARRANTY | 3-year manufacturer’s warranty |
| LONG LIFE | Rifle bearing gives an operating lifetime of 80,000 hours |
| Unit Count | 1 Count |
| Noise Level | 18.8 db |
| Part Number | BL047 |
| Material Type | Copper |
| Cooling Method | Fan |
| Item Type Name | Case fan |
| Number of Items | 1 |
| Number of Packs | 1 |
| AIRFLOW OPTIMIZED | 9 airflow-optimized fan blades that reduce noise-generating turbulence |
| QUIET PERFORMANCE | Even at maximum speed, operates at only 18.8 dB(A) |
| Compatible Devices | Desktop |
| PROVEN RELIABILITY | German design, engineering, quality and performance |
| Included Components | be quiet! PURE ROCK CPU Cooler - 150W TDP |
Ready to buy?
Amazon shows no buyable offer for be quiet! Pure Wings 2 140mm Premium Low Noise… at the last check. A similar in-stock product is be quiet! Pure Base 501 DX White PC case. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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