Hardware Spec Index

Brontix FN-4389 SE 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4389-SE · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index915 (Case Fans scale)
Category rank#46,426
Street price$29
Power4 W
Performance per dollar31.55
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4389 SE
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 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-4389 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/9730723 (accessed 2026-10-20).