Caldera FN-3857 Prime 140mm PWM ARGB Case Fan (3-Pack)
Case Fans · Caldera · SKU FN3857-PRIME · Released 2019 · Updated 2026-10-21
Key facts
| Benchmark index | 1,309 (Case Fans scale) |
|---|---|
| Category rank | #22,152 |
| Street price | $49 |
| Power | 2 W |
| Performance per dollar | 26.71 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera FN-3857 Prime |
| Size | 140 × 140 × 25 mm |
| Speed | 400–1,400 RPM (PWM) |
| Airflow | 67.2 CFM |
| Static pressure | 1.33 mmH₂O |
| Noise | 24 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, “Caldera FN-3857 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/8903641 (accessed 2026-10-21).