Hardware Spec Index

Brontix FN-3974 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3974-PRO · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,024 (Case Fans scale)
Category rank#26,237
Street price$29
Power3 W
Performance per dollar35.31
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3974 Pro
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3974 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7280759 (accessed 2026-10-23).