When set to high, the fan had an output noise level of 40.4 dB while pushing out 253.8 FT/m of air.
When set to low, the fan had an output noise level of 37.9 dB while pushing out 157.8 FT/m of air. I used my motherboards BIOS to control the fan speeds for the below testing. To test the performance of the fans, I used a dB metre to measure sound output and also an anemometer to measure the actual wind flow that a single fan could produce. We saw the image of the backside of the fan that the wires that do show still have a black covering so aren’t an eyesore and still manage to fit in perfectly with the aesthetic of the fan. We can also just barely see in the pic below that the PWM cable is indeed braided and goes into the heat shrink which goes almost into the frame of the fan, meaning very little bare wires are showing. Myself, I go with the rubber mounts to help reduce noise from vibration. Once the mounts are on, you should be able to put the fan in any space designed for a 140mm fan. The mounts themselves simply slide onto the fan and come in both rubber or hard plastic depending on your needs and wants. In the accessory pack is where you will find the included mounts. WE can see the official model name, DC output, amperage and the RPM of the fan. The fan blades have a unique ripple like design to them to help them provide better air flow while remaining as quiet as possible. As mentioned, the whole fan is black which is exactly what we would expect from be quiet! and the only real colour comes from their logo in the middle of the fan on both the back and front.
They are easy enough to put on though and we will look at that shortly. When you first get the fans out of the box, they won’t have their mounts on them. Why don’t we jump straight into it now and start off with a look at the specifications followed by the closer look at the fans themselves! The fans are also all black except for the be quiet! logo so should fit in with most any build you may have. The 4-pion PWM cable is 500mm so should be sufficient to route and hide out of the way in most builds. These fans feature a max RPM of 1,000 at 12V and boast a 300,000-hour lifespan. Today, we will be taking a look at the 140mm PWM variant.
Too many times do we see fans we really like that don’t quite come in the specification we require. While some people may find this a bit foolish, I think it’s nice to see a company trying their best to cater to everyone’s needs. There is the normal version, a PWM very, a high-speed version and a PWM high-speed version all of which come in 120mm and 140mm. The Silent Wings 3 come in both 120mm and 140mm sizes and each offers a few different variants. Be quiet! is known for their dark colour scheme and orange accenting and they surely haven’t let us down with their Silent Wings 3 fans.
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