Hardware Spec Index

Brontix FN-9931 Plus 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9931-PLUS · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,288 (Case Fans scale)
Category rank#42,597
Street price$49
Power3 W
Performance per dollar26.29
Released2025

Specifications

BrandBrontix
ModelBrontix FN-9931 Plus
Size140 × 140 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise29 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-9931 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/83351369 (accessed 2026-10-21).