Hardware Spec Index

Brontix FN-3859 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3859-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index779 (Case Fans scale)
Category rank#47,592
Street price$19
Power4 W
Performance per dollar41.00
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3859 Ultra
Size120 × 120 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3859 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/3408671 (accessed 2026-10-23).