Hardware Spec Index

Brontix FN-4350 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4350-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index703 (Case Fans scale)
Category rank#44,453
Street price$19
Power3 W
Performance per dollar37.00
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4350 Ultra
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4350 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/8801299 (accessed 2026-10-25).