Hardware Spec Index

Brontix FN-4447 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4447-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index255 (Case Fans scale)
Category rank#11,446
Street price$9
Power3 W
Performance per dollar28.33
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4447 Ultra
Size140 × 140 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4447 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/32933052 (accessed 2026-10-25).