Brontix FN-9748 Ultra 140mm PWM ARGB Case Fan (3-Pack)
Case Fans · Brontix · SKU FN9748-ULTRA · Released 2020 · Updated 2026-10-19
Key facts
| Benchmark index | 978 (Case Fans scale) |
|---|---|
| Category rank | #27,053 |
| Street price | $29 |
| Power | 3 W |
| Performance per dollar | 33.72 |
| Released | 2020 |
Specifications
| Brand | Brontix |
|---|---|
| Model | Brontix FN-9748 Ultra |
| Size | 140 × 140 × 25 mm |
| Speed | 200–1,700 RPM (PWM) |
| Airflow | 81.6 CFM |
| Static pressure | 1.61 mmH₂O |
| Noise | 31 dBA |
| Bearing | Fluid dynamic bearing |
| 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-9748 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/19084106 (accessed 2026-10-19).