Hardware Spec Index

Brontix FN-4397 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4397-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index673 (Case Fans scale)
Category rank#5,575
Street price$19
Power3 W
Performance per dollar35.42
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4397 Ultra
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4397 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/321147 (accessed 2026-10-21).