Hardware Spec Index

Brontix FN-3861 Core 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3861-CORE · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,165 (Case Fans scale)
Category rank#46,675
Street price$39
Power3 W
Performance per dollar29.87
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3861 Core
Size140 × 140 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3861 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2937876 (accessed 2026-10-21).