Hardware Spec Index

Brontix FN-4000 Max 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4000-MAX · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index452 (Case Fans scale)
Category rank#19,337
Street price$19
Power3 W
Performance per dollar23.79
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4000 Max
Size140 × 140 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4000 Max 140mm PWM Case Fan”, https://vextor7.com/item/2913004 (accessed 2026-10-19).