Hardware Spec Index

Brontix FN-3831 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3831-XT · Released 2019 · Updated 2026-10-27

Key facts

Benchmark index284 (Case Fans scale)
Category rank#41,969
Street price$9
Power4 W
Performance per dollar31.56
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3831 XT
Size120 × 120 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3831 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/36037075 (accessed 2026-10-27).