Hardware Spec Index

Brontix FN-9859 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9859-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index233 (Case Fans scale)
Category rank#14,308
Street price$9
Power3 W
Performance per dollar25.89
Released2025

Specifications

BrandBrontix
ModelBrontix FN-9859 Ultra
Size120 × 120 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9859 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8557582 (accessed 2026-10-20).