Hardware Spec Index

Brontix FN-4147 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4147-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index387 (Case Fans scale)
Category rank#30,034
Street price$9
Power4 W
Performance per dollar43.00
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4147 Ultra
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4147 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/2561867 (accessed 2026-10-25).