Hardware Spec Index

Brontix FN-4858 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4858-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,017 (Case Fans scale)
Category rank#42,268
Street price$29
Power3 W
Performance per dollar35.07
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4858 Ultra
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4858 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/21581452 (accessed 2026-10-21).