Caldera FN-3581 Prime 140mm PWM ARGB Case Fan (3-Pack)
Case Fans · Caldera · SKU FN3581-PRIME · Released 2026 · Updated 2026-10-20
Key facts
| Benchmark index | 1,267 (Case Fans scale) |
|---|---|
| Category rank | #7,326 |
| Street price | $49 |
| Power | 3 W |
| Performance per dollar | 25.86 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera FN-3581 Prime |
| Size | 140 × 140 × 25 mm |
| Speed | 400–2,400 RPM (PWM) |
| Airflow | 115.2 CFM |
| Static pressure | 2.28 mmH₂O |
| Noise | 30 dBA |
| Bearing | Fluid dynamic bearing |
| Connector | 4-pin PWM + 3-pin 5V ARGB |
| Rated lifetime | 100,000 hours |
Related guides
Similar Case Fans
Cite this page: Hardware Spec Index, “Caldera FN-3581 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/6494445 (accessed 2026-10-20).