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Scythe Kaze Flex II 120 PWM vs Thermaltake TOUGHFAN 12: Comparison
Scythe Kaze Flex II 120 PWM and Thermaltake TOUGHFAN 12 separate most on static pressure: Scythe Kaze Flex II 120 PWM at 0.97 mmH2O, Thermaltake TOUGHFAN 12 at 2.41 mmH2O, 60% in favour of Thermaltake TOUGHFAN 12. Max Speed splits them by another 40%, again favouring Thermaltake TOUGHFAN 12. They match on 4 other specifications, including fan size, lighting and pwm control.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Fan Size | 120 mm | 120 mm |
| Brand | Scythe | Thermaltake |
| Model | Kaze Flex II 120 PWM (1200RPM) | TOUGHFAN 12 |
| Bearing Type | Fluid Dynamic | Hydraulic |
| Lighting | No RGB | No RGB |
| Fan Thickness | 26 mm | 25 mm |
| Static Pressure | 0.97 mmH2O-60% | 2.41 mmH2O |
| Max Speed | 1200 RPM-40% | 2000 RPM |
| Noise Level | 23.8 dBA+1.5 dBA | 22.3 dBA |
| Airflow | 52.94 CFM-9% | 58.35 CFM |
| PWM Control | Yes | Yes |
| Min Speed | 300 RPM | 500 RPM |
| Rated Life | 120000 hours | 40000 hours |
| Connector Type | 4-Pin PWM | 4-Pin PWM |
| Positioning | Mainstream | Performance |
| Source URL | https://www.scytheus.com/kazeflexii-120 | https://www.thermaltake.com/toughfan-12-high-static-pressure-fan-single-pack.html |
Price comparison
| Retailer | Scythe Kaze Flex II 120 PWM | Thermaltake TOUGHFAN 12 |
|---|---|---|
| Scythe | View on Scythe | |
| Thermaltake | View on Thermaltake |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Scythe Kaze Flex II 120 PWM
7 / 10 Expert Rating
A dependable, quiet mainstream fan with nothing flashy about it, which is exactly the point.
Thermaltake TOUGHFAN 12
8 / 10 Expert Rating
One of the better plain-black high-pressure radiator fans, built tough for AIO and custom-loop use.




