Hardware Spec Index

Brontix FN-3739 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3739-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index751 (Case Fans scale)
Category rank#4,386
Street price$29
Power3 W
Performance per dollar25.90
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3739 Ultra
Size120 × 120 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3739 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/20132525 (accessed 2026-10-22).