Hardware Spec Index

Brontix FN-7421 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN7421-PRO · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index471 (Case Fans scale)
Category rank#4,142
Street price$19
Power3 W
Performance per dollar24.79
Released2021

Specifications

BrandBrontix
ModelBrontix FN-7421 Pro
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7421 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/71667494 (accessed 2026-10-25).