Hardware Spec Index

Brontix FN-5639 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5639-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index342 (Case Fans scale)
Category rank#25,405
Street price$9
Power3 W
Performance per dollar38.00
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5639 Pro
Size140 × 140 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5639 Pro 140mm PWM Case Fan”, https://vextor7.com/item/9764613 (accessed 2026-10-22).