Hardware Spec Index

Brontix FN-6974 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN6974-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index282 (Case Fans scale)
Category rank#41,732
Street price$9
Power4 W
Performance per dollar31.33
Released2020

Specifications

BrandBrontix
ModelBrontix FN-6974 Ultra
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6974 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/13344820 (accessed 2026-10-23).