Hardware Spec Index

Brontix FN-9421 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9421-PRIME · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,330 (Case Fans scale)
Category rank#17,744
Street price$49
Power3 W
Performance per dollar27.14
Released2023

Specifications

BrandBrontix
ModelBrontix FN-9421 Prime
Size120 × 120 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9421 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/20106808 (accessed 2026-10-22).