Hardware Spec Index

Brontix FN-4228 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4228-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index707 (Case Fans scale)
Category rank#15,248
Street price$19
Power3 W
Performance per dollar37.21
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4228 Ultra
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4228 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/837065 (accessed 2026-10-21).