Hardware Spec Index

Brontix FN-3812 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3812-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index724 (Case Fans scale)
Category rank#40,764
Street price$19
Power4 W
Performance per dollar38.11
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3812 Ultra
Size120 × 120 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3812 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/41585791 (accessed 2026-10-26).