Hardware Spec Index

Brontix FN-3347 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3347-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index524 (Case Fans scale)
Category rank#35,384
Street price$19
Power4 W
Performance per dollar27.58
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3347 Ultra
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3347 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/2963371 (accessed 2026-10-19).