Hardware Spec Index

Brontix FN-4140 Pro 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4140-PRO · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,352 (Case Fans scale)
Category rank#42,617
Street price$39
Power4 W
Performance per dollar34.67
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4140 Pro
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4140 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/8720967 (accessed 2026-10-24).