Hardware Spec Index

Brontix FN-4859 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4859-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index337 (Case Fans scale)
Category rank#21,753
Street price$9
Power3 W
Performance per dollar37.44
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4859 Ultra
Size120 × 120 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4859 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8250867 (accessed 2026-10-21).