Hardware Spec Index

Brontix FN-3843 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3843-ULTRA · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index235 (Case Fans scale)
Category rank#42,949
Street price$9
Power3 W
Performance per dollar26.11
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3843 Ultra
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3843 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/31664896 (accessed 2026-10-24).