Hardware Spec Index

Brontix FN-4020 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4020-PRIME · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index1,042 (Case Fans scale)
Category rank#16,935
Street price$29
Power4 W
Performance per dollar35.93
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4020 Prime
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4020 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3556868 (accessed 2026-10-22).