Hardware Spec Index

Brontix FN-6858 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6858-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index348 (Case Fans scale)
Category rank#24,847
Street price$9
Power4 W
Performance per dollar38.67
Released2019

Specifications

BrandBrontix
ModelBrontix FN-6858 Prime
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6858 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/31581753 (accessed 2026-10-26).