Hardware Spec Index

Brontix FN-6421 Plus 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN6421-PLUS · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index895 (Case Fans scale)
Category rank#46,415
Street price$29
Power4 W
Performance per dollar30.86
Released2020

Specifications

BrandBrontix
ModelBrontix FN-6421 Plus
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise30 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-6421 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7189978 (accessed 2026-10-22).