Hardware Spec Index

Brontix FN-3491 Plus 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3491-PLUS · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index929 (Case Fans scale)
Category rank#42,354
Street price$29
Power3 W
Performance per dollar32.03
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3491 Plus
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3491 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3395255 (accessed 2026-10-20).