Hardware Spec Index

Brontix FN-4055 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4055-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index612 (Case Fans scale)
Category rank#39,779
Street price$19
Power3 W
Performance per dollar32.21
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4055 Pro
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4055 Pro 140mm PWM Case Fan”, https://vextor7.com/item/92437730 (accessed 2026-10-24).