Caldera FN-6663 Pro 140mm PWM ARGB Case Fan (3-Pack)
Case Fans · Caldera · SKU FN6663-PRO · Released 2021 · Updated 2026-10-26
Key facts
| Benchmark index | 1,267 (Case Fans scale) |
|---|---|
| Category rank | #35,106 |
| Street price | $49 |
| Power | 4 W |
| Performance per dollar | 25.86 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera FN-6663 Pro |
| Size | 140 × 140 × 25 mm |
| Speed | 400–2,900 RPM (PWM) |
| Airflow | 139.2 CFM |
| Static pressure | 2.75 mmH₂O |
| Noise | 35 dBA |
| Bearing | Fluid dynamic 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-6663 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/94517389 (accessed 2026-10-26).