Hardware Spec Index

Caldera FN-6391 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6391-PRO · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index474 (Case Fans scale)
Category rank#32,233
Street price$19
Power4 W
Performance per dollar24.95
Released2019

Specifications

BrandCaldera
ModelCaldera FN-6391 Pro
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6391 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/90285695 (accessed 2026-10-24).