Hardware Spec Index

Brontix FN-3421 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3421-PRO · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index991 (Case Fans scale)
Category rank#13,163
Street price$39
Power3 W
Performance per dollar25.41
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3421 Pro
Size140 × 140 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3421 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/6454571 (accessed 2026-10-22).