Hardware Spec Index

Brontix FN-3851 SE 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3851-SE · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index864 (Case Fans scale)
Category rank#17,521
Street price$29
Power3 W
Performance per dollar29.79
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3851 SE
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3851 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/32939792 (accessed 2026-10-25).