Hardware Spec Index

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

Case Fans · Brontix · SKU FN3421-PRO · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,013 (Case Fans scale)
Category rank#49,068
Street price$29
Power3 W
Performance per dollar34.93
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3421 Pro
Size140 × 140 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 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/20173850 (accessed 2026-10-20).