Caldera FN-3633 Ultra 140mm PWM ARGB Case Fan (3-Pack)
Case Fans · Caldera · SKU FN3633-ULTRA · Released 2022 · Updated 2026-10-18
Key facts
| Benchmark index | 833 (Case Fans scale) |
|---|---|
| Category rank | #38,725 |
| Street price | $19 |
| Power | 4 W |
| Performance per dollar | 43.84 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera FN-3633 Ultra |
| Size | 140 × 140 × 25 mm |
| Speed | 400–2,600 RPM (PWM) |
| Airflow | 124.8 CFM |
| Static pressure | 2.47 mmH₂O |
| Noise | 30 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-3633 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/17568256 (accessed 2026-10-18).