Hardware Spec Index

Brontix FN-6491 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN6491-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index350 (Case Fans scale)
Category rank#10,491
Street price$9
Power3 W
Performance per dollar38.89
Released2019

Specifications

BrandBrontix
ModelBrontix FN-6491 Prime
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6491 Prime 120mm PWM Case Fan”, https://vextor7.com/item/13630346 (accessed 2026-10-21).