Caldera FN-6391 Ultra 120mm PWM ARGB Case Fan (3-Pack)
Case Fans · Caldera · SKU FN6391-ULTRA · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 1,279 (Case Fans scale) |
|---|---|
| Category rank | #33,342 |
| Street price | $39 |
| Power | 3 W |
| Performance per dollar | 32.79 |
| Released | 2025 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera FN-6391 Ultra |
| Size | 120 × 120 × 25 mm |
| Speed | 300–1,900 RPM (PWM) |
| Airflow | 64.6 CFM |
| Static pressure | 2.09 mmH₂O |
| Noise | 32 dBA |
| Bearing | Rifle bearing |
| Connector | 4-pin PWM + 3-pin 5V ARGB |
| Rated lifetime | 50,000 hours |
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Cite this page: Hardware Spec Index, “Caldera FN-6391 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4620009 (accessed 2026-10-19).