Hardware Spec Index

Brontix FN-3706 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3706-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index376 (Case Fans scale)
Category rank#17,929
Street price$9
Power4 W
Performance per dollar41.78
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3706 Ultra
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3706 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/1844705 (accessed 2026-10-20).