Hardware Spec Index

Brontix FN-3704 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3704-PRO · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index946 (Case Fans scale)
Category rank#8,256
Street price$29
Power4 W
Performance per dollar32.62
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3704 Pro
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise31 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-3704 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/250091 (accessed 2026-10-19).