Hardware Spec Index

Brontix FN-8491 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN8491-PRIME · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index251 (Case Fans scale)
Category rank#44,633
Street price$9
Power3 W
Performance per dollar27.89
Released2024

Specifications

BrandBrontix
ModelBrontix FN-8491 Prime
Size120 × 120 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-8491 Prime 120mm PWM Case Fan”, https://vextor7.com/item/247316 (accessed 2026-10-22).