Hardware Spec Index

Brontix FN-6399 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN6399-PRO · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index329 (Case Fans scale)
Category rank#8,053
Street price$9
Power3 W
Performance per dollar36.56
Released2026

Specifications

BrandBrontix
ModelBrontix FN-6399 Pro
Size140 × 140 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6399 Pro 140mm PWM Case Fan”, https://vextor7.com/item/19209872 (accessed 2026-10-22).