Hardware Spec Index

Brontix FN-3747 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3747-XT · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index418 (Case Fans scale)
Category rank#3,722
Street price$9
Power4 W
Performance per dollar46.44
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3747 XT
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3747 XT 140mm PWM Case Fan”, https://vextor7.com/item/540266 (accessed 2026-10-19).