Hardware Spec Index

Brontix FN-1239 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN1239-PRO · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index673 (Case Fans scale)
Category rank#7,425
Street price$19
Power4 W
Performance per dollar35.42
Released2020

Specifications

BrandBrontix
ModelBrontix FN-1239 Pro
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1239 Pro 140mm PWM Case Fan”, https://vextor7.com/item/3987172 (accessed 2026-10-20).