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Lian Li UNI FAN SL140 vs Scythe Kaze Flex II 120 PWM: Comparison
Lian Li UNI FAN SL140 and Scythe Kaze Flex II 120 PWM differ on min speed: Lian Li UNI FAN SL140 at 500 RPM, Scythe Kaze Flex II 120 PWM at 300 RPM, which puts Lian Li UNI FAN SL140 ahead on that measure. They match on bearing type and connector type.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Fan Size | 140 | 120 mm |
| Brand | Lian Li | Scythe |
| Model | UNI FAN SL140 | Kaze Flex II 120 PWM (1200RPM) |
| Bearing Type | Fluid Dynamic | Fluid Dynamic |
| Lighting | ARGB | No RGB |
| Fan Thickness | 25 mm | 26 mm |
| Static Pressure | 1.67 | 0.97 mmH2O-42% |
| Max Speed | 1500 | 1200 RPM-20% |
| Noise Level | 30+6.2 dBA | 23.8 dBA |
| Airflow | 70.5 | 52.94 CFM-25% |
| PWM Control | true | Yes |
| Min Speed | 500 RPM | 300 RPM |
| Connector Type | 4-Pin PWM | 4-Pin PWM |
| Positioning | Premium | Mainstream |
| Source URL | https://lian-li.com/product/uni-fan-sl/ | https://www.scytheus.com/kazeflexii-120 |
Price comparison
| Retailer | Lian Li UNI FAN SL140 | Scythe Kaze Flex II 120 PWM |
|---|---|---|
| Amazon | View on Amazon | |
| Newegg | View on Newegg | |
| Scythe | View on Scythe |
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
Lian Li UNI FAN SL140
8 / 10 Expert Rating
A quiet, good-looking 140mm ARGB fan that pairs cleanly with the rest of the UNI FAN SL lineup.
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.
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