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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Amazed
Greater than one weekIve ordered 3 of these fans so far and the first two are super quiet and are residing on my Cooler Master 212A EVO, silently keeping my gaming CPU I5 9600K cool. The 3rd one is residing on the side panel of my Cooler Master 690 and even though it is set to Silent in the BIOS it will still hum a bit too much at times. Otherwise these fans would have been a solid 5 stars all the way.
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Dante
> 3 dayNot as quiet as noctuas, but I’m doing an all black build so this suits it well enough.
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Jason D Young
13-06-2025I have a small mini-ITX case that this just barely fits in. It is very quiet and keeps my little box cool, which is currently being used as a home router. I would definitely buy again.
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R
> 3 dayGreat airflow and nearly silent. Perfect if you dont care about RBG and dont want to mess with your fans ever again after installation.
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Chu
12-06-2025I got a pair of these fans to be used in a PCI bracket to cool off the GPU (MSI RX580 OC). In pursuit of a quiet computer, the stock GPU fans were very loud.
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andrae
> 3 dayI was sceptical about these fans but to my surprise they are great. The noise level is minimal and quality seems to be very sturdy.
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Picky
> 3 dayDecent fan for the price. It was louder than i expected when running at full speed. But its half the price of a noctua. So budget vs premium fan. Its decent. Just not great.
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Tracy Coker
> 3 dayLike everything about this fan!
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Katherine
Greater than one weekValue
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BurazeKun
> 3 dayThese have great flow characteristics on low fin heatsinks, like those found from scythe, and cases. In both cases, they are extremely quiet, more so than the Noctua Redux that I replaced, where at 1200rpm you could hear the buffeting air with the noctua. Not that it was a bad sound mind you. It is much better sound than the noctua is what I am saying though. May system is running cooler with these, but that is my case supports 3 120mm or 2 140mm. So getting these allowed me to add one more fan verse the 2 140. This offers better pressure characteristics and encourages flow.
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 |