Hardware Spec Index

Brontix FN-4789 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4789-SE · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index445 (Case Fans scale)
Category rank#27,267
Street price$9
Power4 W
Performance per dollar49.44
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4789 SE
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4789 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/53667759 (accessed 2026-10-21).