Hardware Spec Index

Brontix FN-4091 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4091-PRIME · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index963 (Case Fans scale)
Category rank#26,418
Street price$29
Power4 W
Performance per dollar33.21
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4091 Prime
Size140 × 140 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4091 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/11616286 (accessed 2026-10-23).