Hardware Spec Index

Brontix FN-5539 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5539-PRIME · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index495 (Case Fans scale)
Category rank#31,147
Street price$19
Power4 W
Performance per dollar26.05
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5539 Prime
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5539 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/21913218 (accessed 2026-10-25).