Hardware Spec Index

Brontix FN-4781 Core 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4781-CORE · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,116 (Case Fans scale)
Category rank#37,364
Street price$39
Power4 W
Performance per dollar28.62
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4781 Core
Size140 × 140 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4781 Core 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/43678923 (accessed 2026-10-22).