Hardware Spec Index

Brontix FN-4021 SE 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4021-SE · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index406 (Case Fans scale)
Category rank#49,811
Street price$19
Power3 W
Performance per dollar21.37
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4021 SE
Size140 × 140 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4021 SE 140mm PWM Case Fan”, https://vextor7.com/item/7062416 (accessed 2026-10-21).