Hardware Spec Index

Brontix FN-3857 Plus 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3857-PLUS · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,216 (Case Fans scale)
Category rank#29,187
Street price$39
Power2 W
Performance per dollar31.18
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3857 Plus
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3857 Plus 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4131845 (accessed 2026-10-20).