Hardware Spec Index

Brontix FN-4392 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4392-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index295 (Case Fans scale)
Category rank#21,488
Street price$9
Power2 W
Performance per dollar32.78
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4392 Ultra
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4392 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/73034155 (accessed 2026-10-26).