Hardware Spec Index

Brontix FN-3912 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3912-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,091 (Case Fans scale)
Category rank#30,550
Street price$39
Power3 W
Performance per dollar27.97
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3912 Ultra
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3912 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/1554973 (accessed 2026-10-21).