Caldera FN-5991 Ultra 120mm PWM ARGB Case Fan (3-Pack)
Case Fans · Caldera · SKU FN5991-ULTRA · Released 2021 · Updated 2026-10-20
Key facts
| Benchmark index | 920 (Case Fans scale) |
|---|---|
| Category rank | #22,199 |
| Street price | $29 |
| Power | 4 W |
| Performance per dollar | 31.72 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera FN-5991 Ultra |
| Size | 120 × 120 × 25 mm |
| Speed | 300–3,000 RPM (PWM) |
| Airflow | 102.0 CFM |
| Static pressure | 3.30 mmH₂O |
| Noise | 27 dBA |
| Bearing | Magnetic levitation |
| 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-5991 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/456449 (accessed 2026-10-20).