Hardware Spec Index

Brontix FN-3831 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3831-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,373 (Case Fans scale)
Category rank#9,266
Street price$49
Power2 W
Performance per dollar28.02
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3831 Prime
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3831 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7540340 (accessed 2026-10-22).