Hardware Spec Index

Caldera FN-4491 SE 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4491-SE · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index389 (Case Fans scale)
Category rank#12,762
Street price$19
Power3 W
Performance per dollar20.47
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4491 SE
Size120 × 120 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4491 SE 120mm PWM Case Fan”, https://vextor7.com/item/6897906 (accessed 2026-10-20).