Scythe Kaze Flex II PWM, 120mm, Premium Quiet/Silent PC Computer Case Fan, Quiet Model, Low-Noise Optimized, 4-Pin, Deluxe Black Colour, Single Pack
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Whoville
Greater than one weekScythe makes a good product. I have the Mugen 5, as well. These fans are dead silent and do the job. I am happy I chose them. However, theyve only been running a couple months. Well see how durable they are over time.
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Dave
> 3 dayId go with Arctic for quiet fans that cool well. [If you dont want to spend a fortune on Noctua fans]
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Luther Boyle
09-06-2025This is the fan that came with the Scythe Mugen 5 cpu cooler. Bought an extra one to mount onto the cooler but it turns out 1 of those was more than enough for my delidded 8600k running at 5.2ghz. Currently its acting as my exhaust fan in the rear. Runs so quiet I had to stick my hand behind the case to make sure its running. Considering buying a few more to replace my other case fans. 5/5 will recommend.
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James Thomas
> 3 dayInstalled two weeks ago. Very quiet and so far working good. Good price and would purchase again.
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Laura banker
> 3 dayGreat
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William
09-06-2025good quality, easy to install
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c3h8
> 3 dayI bought these as case fans for a high airflow case. I have about 3 pushing and 1 pulling air through the case. At full speed they can be heard, at about 800 rpm which is where my motherboard keeps them the noise level is well below ambient- air conditioning, and plumbing are much louder.
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YoMama
> 3 dayLiked it fit FM transmitter & works well !
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rico & pam
> 3 dayits so efficient as an exhaust , that it blows hot air from the bottom of the fan from my GPU
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Raul Trejo
05-06-2025While I havent tested with a decibel counter, these fans are hands down quieter than the quietest cpu fan option available via amd. Settings on bios are on idle (quiet purr) unless to surpass a certain temperature, then they kick in with a turbo mode. On turbo (basically set to full throttle for gaming) then its an audible blast comparable to taking a leaf blower to the internals. Thats specifically for high or ultra settings gaming. Contemplating eventually swapping out the bundled cpu fan for another one of this type so then its all super quiet.
Kaze Flex II 120 PWM fan
Scythe Kaze Flex II PWM fan series pay special attention to the quietness and high volume airflow, which contribute to premium PC ventilation efficiency. The 26mm thickness fan frame can easily fit into any Mini-ITX chassis with proper installation. Combined with 4 anti-shocking rubber pads, the fan is running a perfect silent operation during full-loaded status. The 4-Pin PWM version enables PC enthusiasts to set up their preferred fan speed at their command. The Flawless Deluxe-Black edition represents an elegant neat design that will make your customized PC more than outstanding. The reliable new fan frame offers higher aerodynamic performance that is the perfect choice for high TDP CPU and radiators.
The New Evolution – Low-Noise Structural Frame with Powerful Airflow
Scythe"s new generation Kaze Flex II 120mm Deluxe Black is renowned for its stunning performance and silent operation, optimised fan frame enables Kaze Flex II to outperform the first Generation Kaze Flex fan significantly. What"s better, the fan frame measures precisely 1mm slimmer in thickness that can easily fit into any compact Mini-ITX chassis and small form factor cases. A true winner to succeed.
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Sturdy Fan StructureThe Kaze Flex II Deluxe Black is made of 11 premium quality fan blades, high precision FDB fan shaft and an aerodynamic-oriented channel frame, the secure and trusted fan structure represents long lifespan up to MTTF 120,000 hours durability. |
Anti-Vibration Rubber PadsThe Shock-Absorption Rubber pads allow the Kaze Flex II PWM case fan to contributes to nearly silent operation by absorbing possible vibration transmission. Installation Tools include: Metal Screw X 4 Screw Pin Rivet X 4 200mm 4-Pin Extension Cable X 1 |
Zero InterferenceWith a slimmer frame body, the Kaze Flex II 120mm Deluxe black is now 1mm slimmer than its predecessor and generates more airflow to cool your high TDP PC down. The compact frame size also becomes the perfect choice for those who are in search of a premium quiet PC fan with satisfying performance for Small Form Factor PC Case. |
High Precision FDB BearingWith proprietary Fluid Dynamic Bearing, the black Kaze Flex II 120 Slim fan provides quiet cooling as well as long lifespan up to 120,000 hours. The bearing and pressure shaft are made of high-quality compressed metal, it is built under long time-tested tolerance for excellent stability and impressive durability. |
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| Kaze Flex II 120 Silent fan | Kaze Flex II 120 Slim Standard Edition fan | Kaze Flex II 120 Standard Edition fan | Kaze Flex II 120 High-Performance fan | Kaze Flex II 120 Slim High-Performance fan | |
| Model Number | KFS1225FD12-P | KFS1215FD15-P | KFS1225FD15-P | KFS1225FD20-P | KFS1215FD18-P |
| Dimensions | 120 x 26 x 120 mm | 120 x 15 x 120 mm | 120 x 26 x 120 mm | 120 x 26 x 120 mm | 120 x 15 x 120 mm |
| AirFlow (CFM) | 52.94 | 39.44 | 67.62 | 90.28 | 48.00 |
| Noise Level (dBA) | 23.8 | 23.8 | 28.6 | 36.2 | 27.8 |
| PWM | ✓ | ✓ | ✓ | ✓ | ✓ |
| Fan Connector | 4-Pin | 4-Pin | 4-Pin | 4-Pin | 4-Pin |
| Cable Length | 300mm | 300mm | 300mm | 300mm | 300mm |
| Extension Cable Length | 200mm | 200mm | 200mm | 200mm | 200mm |
| Fan Speed (Maximal) | 1200RPM | 1500RPM | 1500RPM | 2000RPM | 1800RPM |
| Weight | ±215g | ±106g | ±215g | ±215g | ±106g |