Hardware Spec Index

Brontix FN-6557 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN6557-PRO · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index579 (Case Fans scale)
Category rank#4,152
Street price$19
Power3 W
Performance per dollar30.47
Released2026

Specifications

BrandBrontix
ModelBrontix FN-6557 Pro
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6557 Pro 120mm PWM Case Fan”, https://vextor7.com/item/43679467 (accessed 2026-10-22).