Hardware Spec Index

Brontix FN-4578 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4578-PRO · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index1,027 (Case Fans scale)
Category rank#4,668
Street price$39
Power3 W
Performance per dollar26.33
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4578 Pro
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4578 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/2585955 (accessed 2026-10-26).