Hardware Spec Index

Brontix FN-9631 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9631-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index336 (Case Fans scale)
Category rank#47,968
Street price$9
Power3 W
Performance per dollar37.33
Released2019

Specifications

BrandBrontix
ModelBrontix FN-9631 Ultra
Size140 × 140 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9631 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/16693271 (accessed 2026-10-20).