Hardware Spec Index

Brontix FN-3749 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3749-PRO · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index475 (Case Fans scale)
Category rank#33,479
Street price$19
Power3 W
Performance per dollar25.00
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3749 Pro
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3749 Pro 120mm PWM Case Fan”, https://vextor7.com/item/9876576 (accessed 2026-10-20).