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Corsair QL120 RGB vs Thermalright TL-B12: Comparison
Corsair QL120 RGB and Thermalright TL-B12 separate most on static pressure: Corsair QL120 RGB at 1.55 mmH2O, Thermalright TL-B12 at 2.87 mmH2O, 46% in favour of Thermalright TL-B12. Airflow splits them by another 39%, again favouring Thermalright TL-B12. They match on fan size and pwm control.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Fan Size | 120 mm | 120 mm |
| Brand | Corsair | Thermalright |
| Model | QL120 RGB | TL-B12 |
| Bearing Type | Hydraulic | Fluid Dynamic |
| Lighting | RGB | No RGB |
| Fan Thickness | 25 mm | 25.6 mm |
| Static Pressure | 1.55 mmH2O-46% | 2.87 mmH2O |
| Max Speed | 1500 RPM-30% | 2150 RPM |
| Noise Level | 26 dBA | 28.1 dBA+2.1 dBA |
| Airflow | 41.8 CFM-39% | 69 CFM |
| PWM Control | Yes | Yes |
| Positioning | Premium | Value non-RGB |
| Colors | Black/White | All black |
| Source URL | https://www.corsair.com/us/en/p/case-fans/co-9050097-ww/icue-ql120-rgb-120mm-pwm-single-fan-co-9050097-ww | https://www.thermalright.com/product/tl-b12/ |
Price comparison
| Retailer | Corsair QL120 RGB | Thermalright TL-B12 |
|---|---|---|
| Amazon | View on Amazon | |
| Newegg | View on Newegg |
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
Corsair QL120 RGB
7 / 10 Expert Rating
Buy this for the lighting show on a case window, not for cooling performance.
Thermalright TL-B12
8 / 10 Expert Rating
Excellent value for a non-RGB static-pressure fan, undercutting pricier options with little real performance loss.




