Hardware Spec Index

Brontix FN-3889 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3889-CORE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index669 (Case Fans scale)
Category rank#28,244
Street price$19
Power4 W
Performance per dollar35.21
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3889 Core
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3889 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91497294 (accessed 2026-10-23).