Hardware Spec Index

Brontix FN-9791 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9791-PRO · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,118 (Case Fans scale)
Category rank#825
Street price$29
Power4 W
Performance per dollar38.55
Released2024

Specifications

BrandBrontix
ModelBrontix FN-9791 Pro
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9791 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4301487 (accessed 2026-10-21).