Hardware Spec Index

Brontix FN-3859 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3859-PRO · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index367 (Case Fans scale)
Category rank#4,032
Street price$9
Power3 W
Performance per dollar40.78
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3859 Pro
Size120 × 120 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3859 Pro 120mm PWM Case Fan”, https://vextor7.com/item/52325324 (accessed 2026-10-25).