Hardware Spec Index

Brontix FN-6858 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN6858-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index441 (Case Fans scale)
Category rank#45,360
Street price$19
Power3 W
Performance per dollar23.21
Released2020

Specifications

BrandBrontix
ModelBrontix FN-6858 Ultra
Size120 × 120 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6858 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/2521589 (accessed 2026-10-26).