Caldera FN-4977 Ultra 120mm PWM ARGB Case Fan (3-Pack)
Case Fans · Caldera · SKU FN4977-ULTRA · Released 2026 · Updated 2026-10-25
Key facts
| Benchmark index | 1,397 (Case Fans scale) |
|---|---|
| Category rank | #12,828 |
| Street price | $49 |
| Power | 4 W |
| Performance per dollar | 28.51 |
| Released | 2026 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera FN-4977 Ultra |
| Size | 120 × 120 × 25 mm |
| Speed | 400–2,700 RPM (PWM) |
| Airflow | 91.8 CFM |
| Static pressure | 2.97 mmH₂O |
| Noise | 31 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-4977 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/32939938 (accessed 2026-10-25).