Hardware Spec Index

Caldera FN-8491 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN8491-PRO · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index778 (Case Fans scale)
Category rank#23,837
Street price$29
Power3 W
Performance per dollar26.83
Released2023

Specifications

BrandCaldera
ModelCaldera FN-8491 Pro
Size120 × 120 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8491 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/93666894 (accessed 2026-10-21).