Hardware Spec Index

Brontix FN-3870 SE 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3870-SE · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index269 (Case Fans scale)
Category rank#1,212
Street price$9
Power4 W
Performance per dollar29.89
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3870 SE
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3870 SE 120mm PWM Case Fan”, https://vextor7.com/item/3533787 (accessed 2026-10-21).