Hardware Spec Index

Caldera FN-6391 Plus 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6391-PLUS · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index578 (Case Fans scale)
Category rank#42,054
Street price$19
Power3 W
Performance per dollar30.42
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6391 Plus
Size120 × 120 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6391 Plus 120mm PWM Case Fan”, https://vextor7.com/item/48414349 (accessed 2026-10-20).