Hardware Spec Index

Brontix FN-4258 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4258-SE · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index808 (Case Fans scale)
Category rank#22,994
Street price$19
Power3 W
Performance per dollar42.53
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4258 SE
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4258 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/85533477 (accessed 2026-10-21).