Hardware Spec Index

Brontix FN-3791 XT 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3791-XT · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index880 (Case Fans scale)
Category rank#788
Street price$29
Power3 W
Performance per dollar30.34
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3791 XT
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3791 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/82946121 (accessed 2026-10-21).