Caldera FN-3855 Ultra 140mm PWM ARGB Case Fan (3-Pack)
Case Fans · Caldera · SKU FN3855-ULTRA · Released 2020 · Updated 2026-10-26
Key facts
| Benchmark index | 1,218 (Case Fans scale) |
|---|---|
| Category rank | #12,976 |
| Street price | $49 |
| Power | 4 W |
| Performance per dollar | 24.86 |
| Released | 2020 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera FN-3855 Ultra |
| Size | 140 × 140 × 25 mm |
| Speed | 400–2,800 RPM (PWM) |
| Airflow | 134.4 CFM |
| Static pressure | 2.66 mmH₂O |
| Noise | 36 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, “Caldera FN-3855 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4807385 (accessed 2026-10-26).