Hardware Spec Index

Brontix FN-3731 SE 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3731-SE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index638 (Case Fans scale)
Category rank#31,475
Street price$19
Power3 W
Performance per dollar33.58
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3731 SE
Size120 × 120 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3731 SE 120mm PWM Case Fan”, https://vextor7.com/item/14809296 (accessed 2026-10-22).