Hardware Spec Index

Brontix FN-4258 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4258-PRO · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index940 (Case Fans scale)
Category rank#22,343
Street price$29
Power3 W
Performance per dollar32.41
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4258 Pro
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise33 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-4258 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/92376787 (accessed 2026-10-19).