Hardware Spec Index

Brontix FN-9731 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9731-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index814 (Case Fans scale)
Category rank#26,693
Street price$29
Power3 W
Performance per dollar28.07
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9731 Prime
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9731 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/10242480 (accessed 2026-10-21).