Hardware Spec Index

Caldera FN-4423 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4423-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index514 (Case Fans scale)
Category rank#14,177
Street price$19
Power3 W
Performance per dollar27.05
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4423 Ultra
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4423 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/5619044 (accessed 2026-10-22).