Hardware Spec Index

Brontix FN-4521 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4521-SE · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index645 (Case Fans scale)
Category rank#35,510
Street price$19
Power4 W
Performance per dollar33.95
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4521 SE
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4521 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2851254 (accessed 2026-10-20).