Hardware Spec Index

Brontix FN-3870 Core 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3870-CORE · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index786 (Case Fans scale)
Category rank#6,638
Street price$29
Power4 W
Performance per dollar27.10
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3870 Core
Size140 × 140 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3870 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8203460 (accessed 2026-10-24).