Hardware Spec Index

Caldera FN-6391 Pro 140mm PWM ARGB Case Fan

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

Key facts

Benchmark index1,310 (Case Fans scale)
Category rank#11,998
Street price$39
Power3 W
Performance per dollar33.59
Released2026

Specifications

BrandCaldera
ModelCaldera FN-6391 Pro
Size140 × 140 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6391 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/35457734 (accessed 2026-10-20).