Brontix FN-3721 Pro 140mm PWM ARGB Case Fan (3-Pack)
Case Fans · Brontix · SKU FN3721-PRO · Released 2023 · Updated 2026-10-26
Key facts
| Benchmark index | 1,400 (Case Fans scale) |
|---|---|
| Category rank | #43,889 |
| Street price | $49 |
| Power | 3 W |
| Performance per dollar | 28.57 |
| Released | 2023 |
Specifications
| Brand | Brontix |
|---|---|
| Model | Brontix FN-3721 Pro |
| Size | 140 × 140 × 25 mm |
| Speed | 200–2,000 RPM (PWM) |
| Airflow | 96.0 CFM |
| Static pressure | 1.90 mmH₂O |
| Noise | 29 dBA |
| Bearing | Magnetic levitation |
| Connector | 4-pin PWM + 3-pin 5V ARGB |
| Rated lifetime | 50,000 hours |
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Cite this page: Hardware Spec Index, “Brontix FN-3721 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4885961 (accessed 2026-10-26).