Hardware Spec Index

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

Case Fans · Brontix · SKU FN3879-PRIME · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index609 (Case Fans scale)
Category rank#25,332
Street price$19
Power4 W
Performance per dollar32.05
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3879 Prime
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3879 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/45914093 (accessed 2026-10-20).