Caldera FN-4391 Pro 120mm PWM ARGB Case Fan (3-Pack)
Case Fans · Caldera · SKU FN4391-PRO · Released 2025 · Updated 2026-10-22
Key facts
| Benchmark index | 852 (Case Fans scale) |
|---|---|
| Category rank | #15,739 |
| Street price | $19 |
| Power | 3 W |
| Performance per dollar | 44.84 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera FN-4391 Pro |
| Size | 120 × 120 × 25 mm |
| Speed | 500–1,600 RPM (PWM) |
| Airflow | 54.4 CFM |
| Static pressure | 1.76 mmH₂O |
| Noise | 25 dBA |
| Bearing | Fluid dynamic bearing |
| Connector | 4-pin PWM + 3-pin 5V ARGB |
| Rated lifetime | 100,000 hours |
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Cite this page: Hardware Spec Index, “Caldera FN-4391 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/3335875 (accessed 2026-10-22).