Hardware Spec Index

Caldera FN-4258 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4258-PRO · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index742 (Case Fans scale)
Category rank#834
Street price$19
Power4 W
Performance per dollar39.05
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4258 Pro
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4258 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/96526101 (accessed 2026-10-21).