Hardware Spec Index

Brontix FN-3859 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3859-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index248 (Case Fans scale)
Category rank#25,584
Street price$9
Power3 W
Performance per dollar27.56
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3859 Ultra
Size120 × 120 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3859 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/21367147 (accessed 2026-10-21).