Hardware Spec Index

Brontix FN-3851 SE 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3851-SE · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,211 (Case Fans scale)
Category rank#19,310
Street price$39
Power3 W
Performance per dollar31.05
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3851 SE
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3851 SE 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/5347012 (accessed 2026-10-19).