Hardware Spec Index

Brontix FN-5520 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5520-PRO · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index492 (Case Fans scale)
Category rank#6,232
Street price$19
Power4 W
Performance per dollar25.89
Released2021

Specifications

BrandBrontix
ModelBrontix FN-5520 Pro
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5520 Pro 140mm PWM Case Fan”, https://vextor7.com/item/9195673 (accessed 2026-10-23).