Hardware Spec Index

Brontix FN-8391 Plus 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN8391-PLUS · Released 2025 · Updated 2026-10-27

Key facts

Benchmark index878 (Case Fans scale)
Category rank#15,501
Street price$29
Power4 W
Performance per dollar30.28
Released2025

Specifications

BrandBrontix
ModelBrontix FN-8391 Plus
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 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-8391 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/53672110 (accessed 2026-10-27).