Hardware Spec Index

Brontix FN-3871 Core 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3871-CORE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index797 (Case Fans scale)
Category rank#9,272
Street price$19
Power3 W
Performance per dollar41.95
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3871 Core
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3871 Core 140mm PWM Case Fan”, https://vextor7.com/item/89082171 (accessed 2026-10-23).