Zephyra FN-4757 Ultra 120mm PWM ARGB Case Fan (3-Pack)
Case Fans · Zephyra · SKU FN4757-ULTRA · Released 2021 · Updated 2026-10-21
Key facts
| Benchmark index | 908 (Case Fans scale) |
|---|---|
| Category rank | #35,723 |
| Street price | $29 |
| Power | 3 W |
| Performance per dollar | 31.31 |
| Released | 2021 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra FN-4757 Ultra |
| Size | 120 × 120 × 25 mm |
| Speed | 300–1,900 RPM (PWM) |
| Airflow | 64.6 CFM |
| Static pressure | 2.09 mmH₂O |
| Noise | 36 dBA |
| Bearing | Fluid dynamic bearing |
| Connector | 4-pin PWM + 3-pin 5V ARGB |
| Rated lifetime | 150,000 hours |
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Cite this page: Hardware Spec Index, “Zephyra FN-4757 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/72944526 (accessed 2026-10-21).