Hardware Spec Index

Brontix FN-3879 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3879-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index337 (Case Fans scale)
Category rank#42,243
Street price$9
Power3 W
Performance per dollar37.44
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3879 Ultra
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3879 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6793524 (accessed 2026-10-25).