Hardware Spec Index

Brontix FN-4856 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4856-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index688 (Case Fans scale)
Category rank#24,529
Street price$19
Power3 W
Performance per dollar36.21
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4856 Ultra
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4856 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/3247362 (accessed 2026-10-23).