Hardware Spec Index

Brontix FN-4120 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4120-XT · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index343 (Case Fans scale)
Category rank#35,898
Street price$9
Power3 W
Performance per dollar38.11
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4120 XT
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4120 XT 140mm PWM Case Fan”, https://vextor7.com/item/91318305 (accessed 2026-10-22).