Hardware Spec Index

Brontix FN-9431 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9431-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index411 (Case Fans scale)
Category rank#9,753
Street price$9
Power4 W
Performance per dollar45.67
Released2026

Specifications

BrandBrontix
ModelBrontix FN-9431 Ultra
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9431 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/5545137 (accessed 2026-10-23).