Hardware Spec Index

Caldera FN-4478 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4478-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index610 (Case Fans scale)
Category rank#20,247
Street price$19
Power3 W
Performance per dollar32.11
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4478 Ultra
Size120 × 120 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4478 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7973198 (accessed 2026-10-25).