Hardware Spec Index

Brontix FN-9421 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9421-PRIME · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index382 (Case Fans scale)
Category rank#37,981
Street price$9
Power4 W
Performance per dollar42.44
Released2020

Specifications

BrandBrontix
ModelBrontix FN-9421 Prime
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9421 Prime 120mm PWM Case Fan”, https://vextor7.com/item/63660615 (accessed 2026-10-26).