Zephyra FN-3951 Ultra 140mm PWM ARGB Case Fan (3-Pack)
Case Fans · Zephyra · SKU FN3951-ULTRA · Released 2022 · Updated 2026-10-19
Key facts
| Benchmark index | 863 (Case Fans scale) |
|---|---|
| Category rank | #25,641 |
| Street price | $19 |
| Power | 3 W |
| Performance per dollar | 45.42 |
| Released | 2022 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra FN-3951 Ultra |
| Size | 140 × 140 × 25 mm |
| Speed | 200–2,100 RPM (PWM) |
| Airflow | 100.8 CFM |
| Static pressure | 2.00 mmH₂O |
| Noise | 33 dBA |
| Bearing | Rifle bearing |
| Connector | 4-pin PWM + 3-pin 5V ARGB |
| Rated lifetime | 100,000 hours |
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Cite this page: Hardware Spec Index, “Zephyra FN-3951 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/429448 (accessed 2026-10-19).