Hardware Spec Index

Brontix FN-3851 SE 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3851-SE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,157 (Case Fans scale)
Category rank#45,975
Street price$39
Power4 W
Performance per dollar29.67
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3851 SE
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise26 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-3851 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/21367710 (accessed 2026-10-20).