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Arctic F12 PWM vs SilverStone FN121: Comparison
Arctic F12 PWM and SilverStone FN121 separate most on max speed: Arctic F12 PWM at 1350 RPM, SilverStone FN121 at 1200 RPM, 11% in favour of Arctic F12 PWM. Airflow splits them by another 9%, this time favouring SilverStone FN121. They match on fan size, lighting and positioning.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Fan Size | 120 mm | 120 mm |
| Brand | Arctic | SilverStone |
| Model | F12 PWM | FN121-P |
| Bearing Type | Fluid Dynamic | Sleeve |
| Lighting | No RGB | No RGB |
| Max Speed | 1350 RPM | 1200 RPM-11% |
| Airflow | 53.0 CFM-9% | 58.47 CFM |
| PWM Control | Yes | No |
| Connector Type | 4-Pin PWM | 3-Pin DC |
| Positioning | Budget | Budget |
| Source URL | https://www.arctic.de/en/F12-PWM/ACFAN00203A | https://www.scan.co.uk/products/120mm-silverstone-sst-fn121-p-1025-fan-9-blades-1200rpm-sleeve-bearing-black |
Price comparison
| Retailer | Arctic F12 PWM | SilverStone FN121 |
|---|---|---|
| SilverStone | View on SilverStone |
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
Arctic F12 PWM
7 / 10 Expert Rating
The no-frills budget fan pick when a build just needs more quiet case airflow.
SilverStone FN121
6 / 10 Expert Rating
An unremarkable but reliably quiet budget fan for general case airflow.




