Hardware Spec Index

Brontix FN-3854 Plus 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3854-PLUS · Released 2021 · Updated 2026-10-27

Key facts

Benchmark index573 (Case Fans scale)
Category rank#46,700
Street price$19
Power4 W
Performance per dollar30.16
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3854 Plus
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3854 Plus 120mm PWM Case Fan”, https://vextor7.com/item/79066244 (accessed 2026-10-27).