Hardware Spec Index

Brontix FN-9521 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9521-PRIME · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index561 (Case Fans scale)
Category rank#44,626
Street price$19
Power4 W
Performance per dollar29.53
Released2023

Specifications

BrandBrontix
ModelBrontix FN-9521 Prime
Size120 × 120 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9521 Prime 120mm PWM Case Fan”, https://vextor7.com/item/2691045 (accessed 2026-10-25).