Hardware Spec Index

Brontix FN-3129 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3129-XT · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index377 (Case Fans scale)
Category rank#3,030
Street price$19
Power3 W
Performance per dollar19.84
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3129 XT
Size120 × 120 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3129 XT 120mm PWM Case Fan”, https://vextor7.com/item/4607778 (accessed 2026-10-25).