Hardware Spec Index

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

Case Fans · Caldera · SKU FN4258-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index244 (Case Fans scale)
Category rank#9,858
Street price$9
Power2 W
Performance per dollar27.11
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4258 Pro
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 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/4587743 (accessed 2026-10-19).