Hardware Spec Index

Brontix FN-8639 SE 140mm PWM Case Fan

Case Fans · Brontix · SKU FN8639-SE · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index322 (Case Fans scale)
Category rank#44,684
Street price$9
Power4 W
Performance per dollar35.78
Released2020

Specifications

BrandBrontix
ModelBrontix FN-8639 SE
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-8639 SE 140mm PWM Case Fan”, https://vextor7.com/item/74551849 (accessed 2026-10-24).