Hardware Spec Index

Brontix FN-7791 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN7791-PRO · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index493 (Case Fans scale)
Category rank#36,860
Street price$19
Power4 W
Performance per dollar25.95
Released2026

Specifications

BrandBrontix
ModelBrontix FN-7791 Pro
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7791 Pro 140mm PWM Case Fan”, https://vextor7.com/item/95542744 (accessed 2026-10-21).