Hardware Spec Index

Brontix FN-3912 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3912-PRIME · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index258 (Case Fans scale)
Category rank#42,630
Street price$9
Power3 W
Performance per dollar28.67
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3912 Prime
Size120 × 120 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3912 Prime 120mm PWM Case Fan”, https://vextor7.com/item/76791828 (accessed 2026-10-26).