Hardware Spec Index

Brontix FN-3929 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3929-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index328 (Case Fans scale)
Category rank#37,500
Street price$9
Power4 W
Performance per dollar36.44
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3929 Ultra
Size120 × 120 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3929 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/795747 (accessed 2026-10-25).