Brontix FN-4840 Prime 120mm PWM ARGB Case Fan (3-Pack)
Case Fans · Brontix · SKU FN4840-PRIME · Released 2022 · Updated 2026-10-19
Key facts
| Benchmark index | 1,381 (Case Fans scale) |
|---|---|
| Category rank | #7,979 |
| Street price | $49 |
| Power | 3 W |
| Performance per dollar | 28.18 |
| Released | 2022 |
Specifications
| Brand | Brontix |
|---|---|
| Model | Brontix FN-4840 Prime |
| Size | 120 × 120 × 25 mm |
| Speed | 200–2,000 RPM (PWM) |
| Airflow | 68.0 CFM |
| Static pressure | 2.20 mmH₂O |
| Noise | 34 dBA |
| Bearing | Rifle bearing |
| Connector | 4-pin PWM + 3-pin 5V ARGB |
| Rated lifetime | 100,000 hours |
Related guides
Similar Case Fans
Cite this page: Hardware Spec Index, “Brontix FN-4840 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/46355161 (accessed 2026-10-19).