Hardware Spec Index

Brontix FN-3937 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3937-XT · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index764 (Case Fans scale)
Category rank#33,205
Street price$19
Power4 W
Performance per dollar40.21
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3937 XT
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3937 XT 140mm PWM Case Fan”, https://vextor7.com/item/71675314 (accessed 2026-10-23).