Hardware Spec Index

Brontix FN-9521 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9521-PRO · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index323 (Case Fans scale)
Category rank#149
Street price$9
Power3 W
Performance per dollar35.89
Released2026

Specifications

BrandBrontix
ModelBrontix FN-9521 Pro
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9521 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6505537 (accessed 2026-10-24).