Brontix FN-3858 Prime 120mm PWM ARGB Case Fan (3-Pack)
Case Fans · Brontix · SKU FN3858-PRIME · Released 2021 · Updated 2026-10-19
Key facts
| Benchmark index | 1,113 (Case Fans scale) |
|---|---|
| Category rank | #16,937 |
| Street price | $39 |
| Power | 4 W |
| Performance per dollar | 28.54 |
| Released | 2021 |
Specifications
| Brand | Brontix |
|---|---|
| Model | Brontix FN-3858 Prime |
| Size | 120 × 120 × 25 mm |
| Speed | 300–2,900 RPM (PWM) |
| Airflow | 98.6 CFM |
| Static pressure | 3.19 mmH₂O |
| Noise | 28 dBA |
| Bearing | Fluid dynamic bearing |
| Connector | 4-pin PWM + 3-pin 5V ARGB |
| Rated lifetime | 100,000 hours |
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Cite this page: Hardware Spec Index, “Brontix FN-3858 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/1365565 (accessed 2026-10-19).