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Cooler Master SickleFlow 120 vs Thermalright TL-B12: Comparison
Cooler Master SickleFlow 120 and Thermalright TL-B12 separate most on max speed: Cooler Master SickleFlow 120 at 1800 RPM, Thermalright TL-B12 at 2150 RPM, 16% in favour of Thermalright TL-B12. Static Pressure splits them by another 13%, again favouring Thermalright TL-B12. They match on 4 other specifications, including fan size, lighting and pwm control.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Fan Size | 120 mm | 120 mm |
| Brand | Cooler Master | Thermalright |
| Model | SickleFlow 120 | TL-B12 |
| Bearing Type | Rifle | Fluid Dynamic |
| Lighting | No RGB | No RGB |
| Fan Thickness | 25 mm | 25.6 mm |
| Static Pressure | 2.5 mmH2O-13% | 2.87 mmH2O |
| Max Speed | 1800 RPM-16% | 2150 RPM |
| Noise Level | 27 dBA | 28.1 dBA+1.1 dBA |
| Airflow | 62 CFM-10% | 69 CFM |
| PWM Control | Yes | Yes |
| Connector Type | 4-Pin PWM | 4-Pin PWM |
| Weight | 156 g | 205 g |
| Positioning | Budget mainstream | Value non-RGB |
| Colors | Black, White, or Red | All black |
| Source URL | https://www.coolermaster.com/en-us/products/sickleflow-120.html | https://www.thermalright.com/product/tl-b12/ |
Price comparison
| Retailer | Cooler Master SickleFlow 120 | Thermalright TL-B12 |
|---|---|---|
| Amazon | View on Amazon | View on Amazon |
| Newegg | View on 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
Cooler Master SickleFlow 120
6 / 10 Expert Rating
A dependable budget fan that performs identically to its pricier RGB sibling for less money.
Thermalright TL-B12
8 / 10 Expert Rating
Excellent value for a non-RGB static-pressure fan, undercutting pricier options with little real performance loss.




