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💨 Silence Meets Power: Cool Your Rig Like a Pro, Without the Noise!
The be quiet! Silent Wings Pro 4 140mm PWM fan combines cutting-edge blade design and a 6-pole motor to deliver 165.5 CFM airflow at a whisper-quiet 36.8 dB(A). With a versatile 3-speed PWM switch and multiple mounting options, it’s engineered for high-performance cooling in cases, radiators, and heatsinks—perfect for demanding professional-grade PC builds.
| ASIN | B0B74CP6X2 |
| Air Flow Capacity | 165.5 Cubic Feet Per Minute |
| Best Sellers Rank | 8,182 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 92 in Thermal Management Products 189 in Fans & Cooling |
| Brand | be quiet! |
| Compatible Devices | Radiator |
| Cooling Method | Air |
| Cooling method | Air |
| Country Of Origin | China |
| Customer Reviews | 4.7 out of 5 stars 535 Reviews |
| Global Trade Identification Number | 04260052188910 |
| Included Components | Case Fan, Manual |
| Item Dimensions L x W x H | 14L x 14W x 2.5H centimetres |
| Item Weight | 310 Grams |
| Manufacturer | be quiet! |
| Manufacturer Part Number | BL099 |
| Material | Polycarbonate |
| Max Rotational Speed | 2400 RPM |
| Model Number | BL099 |
| Noise Level | 36.8 Decibels |
| Number of Items | 32 |
| Number of Packs | 1 |
| Power Connector Type | 4-Pin |
| Power connector type | 4-Pin |
| Product Warranty | China |
| Product dimensions | 14L x 14W x 2.5H centimetres |
| Set Name | PWM Pro-Version |
| Unit Count | 1.0 count |
| Voltage | 12 Volts |
| Wattage | 3.04 watts |
S**Y
Awesome fans
Awesome fans, well built and speedy selector is great. Extremely quiet and great airflow. Appearance is very stealthy and in all black which I like. Expensive but worth it.
D**R
Quiet and effective
This fan has 3 levels. The highest level is too loud for me so I don't use it but the 2 fans still keep the temperature of my 10-core 3-4 GHz CPU under 80°C under sustained full load. The non-pro version would have sufficed for me.
A**R
That is a tiny fan.
it was the size of my hand. not at all what I thought
T**S
Ottime
Silenziosissime e molto performanti
A**ー
とにかく静か
通常のSilentWings4にはないPWM最高回転数を設定するスイッチがあり、さらに自分のPC環境に合った設定が出来ます。 より静かなPC環境を求める方におすすめ出来る一品です。
E**O
Exceptionnel
Performances exceptionnelles au niveau du refroidissement et du faible niveau sonore (vraiment silencieux!) La version Pro est encore plus performante que la version standard en 140mm. Bien sur c'est plus cher mais les performances sont au rendez-vous. En 140, vous avez 3 références principales dans la série Silent: - Silent Wings 4 - Silent Wings Pro 4 - Silent Wings 4 high-speed Si vous ne savez pas laquelle choisir, prenez la version standard (non Pro), elle conviendra dans la grande majorité des setups. Si vous avez le budget, optez pour la version Pro. Et si vous avez besoin d'un flux d'air rapide et permanent, vous pouvez opter pour la version High-Speed mais vous aurez une augmentation significative du niveau sonore (plus du tout dans ce qu'on peut attendre de la série Silent...) La version Pro a un switch qui permet également de régler le mode vitesse sur 3 niveaux. C'est le meilleur choix si vous souhaitez une performance maximale avec le minimum de niveau sonore.
E**H
Honest thoughts after installing them and using them for over a year.
The fans are very quiet, they let an amazing amount of air flow even with them switched onto the quiet mode. The installation could be better as I replaced 6 fans with these and the 120mm model and screwing in 24 screws with the ones they provide was not fun at all. They all hooked up and worked perfectly on first boot, didn't have any cable length issues as they were all long enough for my ATX size build. Overall it's a good product I would recommend.
S**.
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