Hardware Spec Index

Brontix FN-4971 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4971-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index851 (Case Fans scale)
Category rank#43,229
Street price$29
Power3 W
Performance per dollar29.34
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4971 Ultra
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise27 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-4971 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/7974731 (accessed 2026-10-22).