Zephyra FN-4649 Ultra 140mm PWM ARGB Case Fan (3-Pack)
Case Fans · Zephyra · SKU FN4649-ULTRA · Released 2023 · Updated 2026-10-27
Key facts
| Benchmark index | 1,107 (Case Fans scale) |
|---|---|
| Category rank | #43,714 |
| Street price | $39 |
| Power | 4 W |
| Performance per dollar | 28.38 |
| Released | 2023 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra FN-4649 Ultra |
| Size | 140 × 140 × 25 mm |
| Speed | 500–2,700 RPM (PWM) |
| Airflow | 129.6 CFM |
| Static pressure | 2.56 mmH₂O |
| Noise | 23 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-4649 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/14384352 (accessed 2026-10-27).