Hardware Spec Index

Brontix FN-4358 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4358-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index368 (Case Fans scale)
Category rank#47,148
Street price$19
Power3 W
Performance per dollar19.37
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4358 Ultra
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4358 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/31588245 (accessed 2026-10-26).