Hardware Spec Index

Caldera FN-4251 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4251-PRO · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index601 (Case Fans scale)
Category rank#424
Street price$19
Power3 W
Performance per dollar31.63
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4251 Pro
Size120 × 120 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4251 Pro 120mm PWM Case Fan”, https://vextor7.com/item/85966229 (accessed 2026-10-23).