Hardware Spec Index

Brontix FN-3720 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3720-PRIME · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index1,279 (Case Fans scale)
Category rank#39,944
Street price$39
Power4 W
Performance per dollar32.79
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3720 Prime
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise33 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-3720 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/701836 (accessed 2026-10-23).